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TRANSCRIPT
© Intelligent Australia Productions 1
Crossword Maths Vol 2
Intelligent Australia Productions
First published in 2006 by Intelligent Australia Productions
© Ron Shaw 2006
ISBN 0-9756975-8-7
IAP 007
Intelligent Australia Productions PO Box 670 Hillarys, WA 6923 Australia
Tel: (08) 9307 8365 Fax: (08) 9402 2339 Email: [email protected] This book is dedicated to: Casey
Copying Instructions The contents of this publication may only be reproduced by the original purchaser for use within their own educational institution. The publisher prohibits the loaning or on-selling of this publication for the purposes of reproduction.
Under the Australian Copyright Act 1968 a remuneration notice must be given to Copyright Agency Limited (CAL). For details of the CAL licence for educational institutions, contact CAL, 19/157 Liverpool St, Sydney NSW 2000, tel: (02) 9394 7600, fax: (02) 9394 7601, email: [email protected].
Intelligent Australia Productions is committed to raising standards in Literacy and Numeracy in Australian schools.
© Intelligent Australia Productions 2
Postal Address IAP PO Box 670 Hillarys, WA Australia 6923 Email [email protected]
Telephone (08) 9307 8365 Int’l (618) 9307 8365
Fax (08) 9402 2339 Int’l (618) 9402 2339
Intelligent Australia Productions is committed to raising standards in Literacy and Numeracy in Australian schools.
© Intelligent Australia Productions 3
Maths Strand Puzzle Title Page
TTiimmee It’s Time
5-8
MMiixxeedd Maths Mixture 9-12
CCuubbeess aanndd CCuubbee RRoooottss Just Cubes 13-16
MMoonneeyy All about Money 17-20
SSppaaccee Solid Shapes Solid Shapes 21-24
GGeeoommeettrryy All things Geometry 25-28
PPrroobblleemm SSoollvviinngg Try These 29-32
MMiixxeedd Maths-a-Mix 33-36
FFrraaccttiioonnss,, DDeecciimmaallss
aanndd PPeerrcceennttaaggeess Bits ‘n Pieces 37-40
FFoorrmmuullaaee Formulae 41-44
HHiigghheerr PPoowweerrss Higher Powers 45-48
PPllaaccee VVaalluuee Know Your Place 49-52
MMaatthheemmaattiiccaall TTeerrmmss There’s a Word for That 53-56
MMeeaassuurreemmeenntt How Long, How Heavy, How Much? 57-60
MMiixxeedd All Mixed 61-64
FFrraaccttiioonnss,, DDeecciimmaallss
aanndd PPeerrcceennttaaggeess Small and Smaller 65-68
DDeessiiggnn yyoouurr oowwnn MMaatthhss CCrroosssswwoorrdd
69-70
SSoolluuttiioonnss 71-79
© Intelligent Australia Productions 4
Over hundreds of years, across many lands, Crosswords have combined successful learning with fun. The sense of achievement in solving a clue is surpassed only by the successful completion of the crossword itself.
The puzzles in this book -designed to reinforce mathematical terms, concepts and skills- provide a fun alternative to traditional maths revision activities.
The book provides students with a new, effective method of consolidating maths concepts that cover a broad spectrum of the curriculum. There is a crossword to consolidate almost every Maths concept.
There are 16 puzzles, designed to cater for students of all abilities. The puzzles are of varying degrees of difficulty: easy medium challenging very challenging
There are crosswords on Problem Solving where students are required to use their higher thinking skills (sequential and logical) in order to arrive at the correct solutions. Fractions, Decimals and Percentages, with conversions between each, feature prominently. Other crosswords cover Formulae, Space (Solid Shapes), Higher Powers, Geometry, Cubes and Cube Roots, Mathematical Terms and Place Value.
Solutions to all puzzles are included.
Mathematical strands covered by the Crosswords in this book. PPrroobblleemm SSoollvviinngg
FFrraaccttiioonnss,, DDeecciimmaallss aanndd PPeerrcceennttaaggeess
MMoonneeyy
TTiimmee
GGeeoommeettrryy
MMeeaassuurreemmeenntt
SSppaaccee Solid Shapes
PPllaaccee VVaalluuee
CCuubbeess aanndd CCuubbee RRoooottss
FFoorrmmuullaaee
G
C R O S S W O R D S
E
F A C I L I T A T E
T E
L A
Y R
N
I
N
G
Learn well. Have fun! The Editors, Intelligent Australia Productions
© Intelligent Australia Productions 5
About ‘It’s Time’ Description:
This is a 33-clue crossword dealing with various aspects of Time, including the calendar.
Which students will benefit most from doing this crossword?:
This puzzle is best suited to students in mid primary school. Older students who have not fully grasped some Time concepts will also benefit. Younger, capable students would be pleased with the challenge offered by the crossword.
Level of Difficulty:
Easy
© Intelligent Australia Productions 6
10 Concepts/Topics Covered in ‘It’s Time’
Your students will encounter each of these
concepts/topics in the crossword.
----------
Leap year
Decade
Minutes in
an hour
Seconds
in an hour
Abbrevia-
tions for
days’
names
Fortnight
Seconds
in a
minute
Months
in a year
Seasons
Century
© Intelligent Australia Productions 7
Level of difficulty
1 2 3 4 5
6 7 8
9 10
11 12
13
14 15 16
17 18
19 20
21
22
23 24
25
26 27 28
29 30 31
I’m faster than a speeding bullet so Time is never a problem for me.
© Intelligent Australia Productions 8
AAccrroossss DDoowwnn 1. Two of these are
summer and winter.
4. March is the
_ _ _ _ _ month of the year.
6. Months in a year.
9. How many seconds
in half a minute?
10. Hour (abbreviation)
13. How many months
begin with the letter S?
14. Number of
minutes in one and a half hours.
17. How many weeks
in a year?
19. In a leap year
there are 29 of these in February.
21. One of these
equals a tenth of a decade.
23. How many of the
seasons begin with the letter s?
25. One hundred
years make one of these.
27. The day that
comes three days before Friday.
29. 52 of these plus 1
day equals a year.
30. 300 seconds
equals five of these.
31. Are there the
same number of seconds in 8 minutes as there are minutes in 8 hours?
2. The 4th month.
3. Saturday (abbreviation)
5. What fraction of a
minute is 30 seconds?
7. Wednesday (abbreviation)
8. Which day comes
four days before Monday?
9. How many minutes
in 1/3 of an hour?
11. Two weeks makes
one of these.
12. There are 3600 of
these in an hour.
15. How many months
in ¾ of a year?
16. In any four year
period how many years have 365 days?
17. Which month has
the least number of days?
18. Which day comes
five days before Wednesday?
20. Which day comes
6 days before Saturday?
22. 10 years make one
of these.
24. There are 6 of
these in three fortnights.
26. Monday (abbreviation)
28. Every four years
February has an extra…?
© Intelligent Australia Productions 9
About ‘Maths Mixture’ Description:
This 32-clue puzzle deals with concepts from many different maths strands (see next page).
Which students will benefit most from doing this crossword?:
Students in the later years of primary school, as well as those in early secondary school, will find this crossword fun. Capable maths students in more junior years will enjoy the challenge this puzzle provides.
Level of Difficulty:
Medium
© Intelligent Australia Productions 10
10 Concepts/Topics Covered in ‘Maths Mixture’
Your students will encounter each of these
concepts/topics in the crossword.
------------
Obtuse
angle
Square
number
Decade/
century
Axes of
symmetry
Hours in
a day
Dozen/
gross
Percent
Parallel
Roman
numerals
Roman
Numerals
© Intelligent Australia Productions 11
Level of difficulty
1 2 3
4 5 6 7
8 9
10 11 12
13
14 15 16
17 18 19 20
21 22
23 24 25
26 27
28
29
I get to have a
drink.
They have to do a
crossword.
© Intelligent Australia Productions 12
AAccrroossss DDoowwnn 3. 190 in Roman
Numerals. 6. Lines running in the
same direction are …? 8. An angle greater
then 900 and less than 1800 is …?
10. 11 is the square
_ _ _ _ of 121. 13. 144, or a dozen
dozen, is one …? 14. 2, 12, 14 and 30
are examples of _ _ _ _ numbers.
16. One of these is 1/24 of a day. 17. There are 10 of
these in a century. 19. 10% of 100.
21. Opposite of
‘more’. 22. A solid shape with
6 equal faces.
25. The Roman
Numeral for this number is X. 26. How many months
in a season?
27. This shape looks
like a squashed circle.
28. The amount of
space inside a plane shape is its _ _ _ _. 29. Twelve is one
_ _ _ _ _.
1. Hectare (abbreviation) 2. Every fraction is a
_ _ _ _ of a whole. 3. 150 in Roman
Numerals.
4. Opposite of
‘vertical’.
5. 0.25 expressed as a
fraction is one …..
6. The distance around
a plane shape is its …. 7. To find the area of a
rectangle we multiply its width by its …. 9. Grams, kilograms
and tonnes are units of ….
11. If a number is not
0 or even then it is …
12. If we multiply the
length of a cube by its width and height we obtain its …
15. In the series
2, 3, 4, 6, 8 the 2nd number is different from the others because it is the only _ _ _ number.
18. An equilateral
triangle has all angles …..? 20. MCMLV11 is a
Roman…
4. Opposite of
‘vertical’.
23. The only number
that is neither odd nor even is …
24. This solid shape
has a circular base which rises to an apex. 26. How many axes of
symmetry does a rectangle have?
© Intelligent Australia Productions 13
About ‘Just Cubes’ Description:
This is a 32-clue puzzle dealing with the properties of cubes and with calculations involving cubes.
Which students will benefit most from doing this crossword?:
The puzzle is best suited to students in late primary to mid secondary school though very bright students in earlier years will enjoy the challenge.
Level of Difficulty:
Medium
© Intelligent Australia Productions 14
10 Concepts/Topics Covered in ‘Just Cubes’
Your students will encounter each of these
concepts/topics in the crossword.
*****
No. small
cubes in a
given
space
Comparing
cubes
Faces
on a
cube
Area of
cube’s
faces given
cube’s
volume
Comparing
cubes’
volumes
using
different
units.
Find cube’s
side length
given
volume.
Combined
volume of
cubes
Volume
of a
cube
Edges
in a
cube
Fractions
of a
cube’s
volume
© Intelligent Australia Productions 15
Level of difficulty
1 2 3 4 5
6 7 8 9
10
11
12
13 14
15 16 17 18 19
20
21 22
23
24
© Intelligent Australia Productions 16
AAccrroossss DDoowwnn 1. How many cm3 in
volume is a cube whose edges measure 1cm?
3. A cube has sides
10cm in length. Its volume is one _______ cm3.
6. How many 2cm
cubes have a combined volume of 56cm3?
8. A small cube has a
volume of 1cm3. How many mm long is every one of its edges?
11. A cube’s edges
measure 4cm. Its volume is _______cm3.
12. Does a cube with
sides 2mm have more, or less, volume than a cube whose sides measure 0.3cm?
13. What fraction of
the volume of a 4cm cube does a 2cm cube have?
15. How much
difference in volume is there between a cube with sides 3mm and a cube with sides 0.3cm?
17. How many cubes
with sides 1.5cm are needed to fill a cubical space with sides 15mm?
20. Do cubes have 8
edges?
21. The number of
faces a cube has is _ _ _ _ the number of edges a cube has.
22. What is the
greatest number of 1 cm3 cubes that could fit into a 10 cm3 space?
23. How many metres
long are the sides of a cubic box with volume 27m3?
24. A cube with
volume 125 cm3 has side length_______cm.
2. If the volume of a
cube is 27cm3 how many cm2 in area is each of its faces?
3. A cube’s edge is 3m
in length. What is the cube’s volume in cm3?
4. Every cube has this
many faces.
5. A cube’s volume is
729 cm3. How many cm in length is one of its sides?
7. How many cubes
with side length 1cm have a combined volume of 2cm3?
9. How many cubes
with side length 1cm have a combined volume of 9cm3?
10. Do two cubes each
with side length 4cm have a combined volume of 128cm3?
13. Cube A has volume
8cm3 and Cube B has volume 1cm3. What fraction of Cube A’s side length is Cube B’s side length? (two words)
14. A cube’s volume is
8cm3. How many cm in length is one of its sides?
16. How many cubes
are needed to have 8 vertices in total?
18. How many cubes
with side length 1cm have a combined volume of 8cm3?
19. Does one cube
with side length 2cm have more or less volume than 6 cubes with side length 1cm?
© Intelligent Australia Productions 17
About ‘All About Money’ Description:
This puzzle has 31 clues. It covers most practical aspects of working with money such as working out change after a purchase, saving and sharing money and calculating an hourly rate of pay.
Which students will benefit most from doing this crossword?:
The crossword is best suited to students in late primary to mid secondary school though very bright students in earlier years will enjoy the challenge. Older students learning life-skills will also benefit from doing this puzzle.
Level of Difficulty:
Medium
© Intelligent Australia Productions 18
10 Concepts/Topics Covered in ‘All About Money’
Your students will encounter each of these
concepts/topics in the crossword.
------------
Hourly
rate of
pay
Sharing
a given
amount
equally
Raising
money
Calculate
average
amount
Saving up
money
Money
collected at
a paying
venue
Comparing
money
quotients
How many
items may
be
purchased?
How much
change?
Different note
denominations
© Intelligent Australia Productions 19
Level of difficulty
1 2 3 4 5 6 7
8 9
10 11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27
28
29
© Intelligent Australia Productions 20
AAccrroossss DDoowwnn 1. Mrs Smith buys 3
metres of material at $3.05 per metre. How much change does she receive from her $10 note?
8. How many 95c toffees
for $9.50?
10. How many dollars
change if I buy 4 ice creams at $1.75 each and pay with a $20 note?
14. How many more
cents do I need if I have $1.80 and wish to buy 3 candy sticks that cost 80c each?
15. How many hours
must Billy work if he is paid $15 per hour and wishes to earn $300?
16. Is $85 - $67 more or
less than $42 - $23?
19. Tracey has $5 and
spends $2.20. How much does she have left?
21. How many $20 notes
are needed to purchase 15 tickets that cost $8 each?
22. Lotta spends $1.35
on fruit jubes which cost 15c each. How many fruit jubes does she buy?
25. If jelly babies cost 5c
each how many can I buy for $15?
28. How many pieces of
ribbon can Sam purchase if one piece of ribbon costs 15c and Sam has $12.00?
29. Mr Johnson pays $28
for paint and $13 for brushes. How many dollars change does he receive if he pays with a $100 note?
1. How many $2.25
tickets can be purchased with $18?
2. Will $15.30 divided by
6 give a greater or lesser amount than $40 divided by 16?
3. How much per hour
did Judy receive if she worked for 7 hours and earned $154?
4. How many children
viewed ‘Kids Only!’ at the cinema if $320 was collected at the counter and admission price was $8?
5. If I buy a diary for
$5.80 and pay with a $10 note my change is four dollars and twenty …?
6. How many children
received $12 if $108 was divided evenly between them?
7. How many more
dollars does Tom need if the computer game he wishes to buy costs $60 and he’s been saving $6 a week for 9 weeks?
9. Laina bought each of
her friends a $4.50 Eiffel Tower key ring while holidaying in Paris with her family. If Laina spent $36 on the key rings how many of her friends received one?
11. Laz saved $162 over
18 weeks. What was the average number of dollars per week he saved?
12. Is $104.65 - $78.95
more or less than $3.50 x 8?
13. Jenny saved $4 every
week for 13 weeks. How
many $31.00 DVDs could
she buy with her savings?
17. Mrs Simpson’s class of
year 6s raised $140 in a
cake fundraiser. If Mrs
Simpson’s students raised an average of $5 how many
children were in the class?
18. Con the classic car
collector spent $195 000 when he purchased some
new cars. The cars had an average price of
$65 000. How many cars did
Con buy?
19. How many $2.80 ice
creams can be bought for $84?
20. How many dollars
short of $101 is $13 x 7?
23. How many dollars
will Sylvia have left if she purchases two $18.50 blouses out of her $50?
24.The number of 85c
tickets that can be bought
for $255 is three ….?
26. Linda collects AbFab
cards which cost 40c each.
If she has spent $32 purchasing AbFab cards
how many does she have?
27. Tom makes $28 from
selling toy cars at his market stall. If he receives
an average of $3.50 per car how many did he sell?
© Intelligent Australia Productions 21
About ‘Solid Shapes’
Description:
A 27-clue crossword dealing with the properties of solid objects with regular shapes.
Which students will benefit most from doing this crossword?:
The puzzle is best suited to students in late primary to mid secondary school though very bright students in earlier years will enjoy the challenge.
Level of Difficulty:
Medium
© Intelligent Australia Productions 22
10 Concepts/Topics Covered in ‘Solid Shapes’
Your students will encounter each of these
concepts/topics in the crossword.
----------
Cylinder
Cone
Combined
volume
Pentagonal
pyramid
Vertices
Sphere
Cube
Rectangular
prism
Triangular
pyramid
Triangular
prism
© Intelligent Australia Productions 23
Level of difficulty
1 2 3 4 5 6
7 8
9
10 11
12 13 14
15 16
17 18 19
20 21 22
23 24
25
26
© Intelligent Australia Productions 24
AAccrroossss DDoowwnn 1. The top of a
pyramid is its …?
7. The top and
bottom of this solid shape are identical rectangles.
10. Volume is
measured in cubic units. What is measured in square units?
11. This solid
shape has six identical square faces.
12. A cube has 12
of these.
17. One half of a
sphere.
20. How many
edges does a pentagonal pyramid have?
22. How many cm3
is a rectangular prism with length 5m, width 2m and height 1m?
24. How many
edges does the base of a triangular pyramid have?
25. How cylinders
have 6 faces altogether?
26. Two cubes
have a total of 12…?
2. This solid figure
rises from its base to a point.
3. Like a pyramid
but with a circular base.
4. The amount of
space occupied by a solid shape is its …?
5. A triangular
prism has 6 of these.
6. The volume of a
rectangular prism can be worked out by multiplying its height by the area of its …?
8. This prefix
means ‘three’.
9.This word is
sometimes used instead of ‘width’ or ‘thickness’. Hint: think of the sea.
12. A rectangular
prism has _ _ _ _ _ vertices.
13. The only solid
shape with no edges or vertices.
14. This solid
shape has three faces, two edges and no vertices.
15. The longest
side of a solid shape is referred to either as its _ _ _ _ _ _ or its height.
16. The vertical
distance to the apex of a pyramid is its…?
18. Lines that run
in the same direction are said to be …?
19. In rectangular
prisms three faces meet at a …?
21. How many cm3
does a 2cm cube occupy?
23. This solid
shape has two faces, a circular base and an apex.
© Intelligent Australia Productions 25
About ‘All Things Geometry’ Description:
This puzzle has 42 clues. It deals with many aspects of geometry, including but not restricted to, those on the next page.
Which students will benefit most from doing this crossword?:
All students who, in class, have covered the concepts on the next page, especially those students who need to consolidate the fundamentals of geometry before going on to further maths studies.
Level of Difficulty:
Medium
© Intelligent Australia Productions 26
10 Concepts/Topics Covered in ‘All Things Geometry’
Your students will encounter each of these
concepts/topics in the crossword.
-----------
Area
Perimeter
Axis of
symmetry
Diameter
of a circle
Pi
Acute
angle
Perpendicular
Right
angle
Measuring
angles
Scalene
triangle
© Intelligent Australia Productions 27
Level of difficulty
1 2 3 4 5
6
7
8 9 10 11
12 13
14
15 16 17 18 19
20 21 22 23
24 25 26 27
28
29 30 31
32 33 34
35
36
37 38
39
© Intelligent Australia Productions 28
AAccrroossss DDoowwnn 1. Used for measuring
angles.
4. How many lines are
needed to form an angle?
6. 90o is a right ……….
8. The amount of space
occupied by a plane figure is its…..?
9. Two lines which are at
right angles to one another are said to be _ _ _ _ _ _ _ _ _ _ _ _ _.
12. We use a ruler to see
how _ _ _ _ a line is.
13. When you add
numbers you get their ...?
14. Is the area of a 4 x 2
rectangle more or less than the area of a 3 x 3 square?
15. An arc is a curved
_ _ _ _.
16. Semi and hemi both
mean….?
17. A plane shape with
one pair of opposite sides that are parallel …….without the final two letters!
24. A half circle is a
_ _ _ _ circle.
25. What we call a
triangle with two equal sides.
26. The side of a shape
that it usually ‘stands’ on.
29. An angle greater
than 90o and less than 180o.
31. This shape has four
equal sides and four right angles.
32. What we call a
triangle with no equal sides.
33. 45o is _ _ _ _ of a
right angle.
35. How wide something
is its ………?
36. First 5 letters of the
word meaning distance around the boundary of a plane shape.
38. An equilateral
triangle has this many axes of symmetry.
39. The distance across
a circle, through its centre.
1. Two or more lines
running in the same direction are _ _ _ _ _ _ _ _.
2. A shape with three
sides and three angles.
3. An instrument used for
drawing a circle whose radius is known.
4. If we rotate something
we _ _ _ _ it.
5. Two triangles and a
rectangle: how many sides altogether?
6. What name is given to
angles greater than 0o and less than 90o?
7. If we cut a line in half
we _ _ _ _ _ _ it.
10. What we call a
triangle with three equal sides.
11. This is formed when
two lines meet.
18. Part of the
circumference of a circle.
19. If two lines pass
through one another we say
they _ _ _ _ _ _ _ _ _.
20. 1o written in words is
‘one _ _ _ _ _ _’
21. The halfway point of
a line.
22. An angle of 90o is a
_ _ _ _ _ angle.
23. An angle greater
than 180o and less than 360o.
27. If the length of a
rectangle is multiplied by its width its _ _ _ _ is obtained.
28. An equilateral
triangle has all angles _ _ _ _ _.
30. This curved shape
looks like a pushed-in circle.
34. A square has this
many axes of symmetry.
37. The symbol is used
to calculate the circumference of a circle. What is the name of this symbol?
© Intelligent Australia Productions 29
About ‘Try These’ Description:
This is a problem-solving crossword with 41 clues. Many concepts are covered. The puzzle poses a challenge for even the most able students and, for the majority of children, will take an entire maths lesson to complete.
Which students will benefit most from doing this crossword?:
Capable students who have been taught all the concepts on the next page.
Level of Difficulty:
Very challenging
© Intelligent Australia Productions 30
10 Concepts/Topics Covered in ‘Try These’
Your students will encounter each of these
concepts/topics in the crossword.
-----------
Fractions
Doubling
and
halving
Annually/
quarterly
Time
sequence
Multiplying
fractions
Square
root
Percent
Squaring
a number
Logical
thinking
Problems
involving
money
© Intelligent Australia Productions 31
Level of difficulty
1 2 3 4 5 6
7 8
9
10 11 12
13 14
15
16 17 18 19
20 21
22 23 24
25 26 27
28
29 30 31
32 33
34
35
36
37
Solve this puzzle and I’ll make you an honorary
Magician.
© Intelligent Australia Productions 32
AAccrroossss DDoowwnn 1. Jeremiah weighs 8kg
more than half his father’s weight. If his father weighs
76kg how many kg less than
his 53kg brother does Jeremiah weigh?
4. Jenifer has four more
CDs than Jasmine who has three less than Jacinta.
Jacinta has only half the
number of CDs as Juliet. Which girl has the least
CDs?
7. Tom, Ned and Dan went
fishing. Ned’s catch was double that of Dan who
caught 50% more fish than Tom’s catch of 6. Who
caught 9 fish?
9. Robert, Daniel and
Edward all collect stamps. Robert’s collection numbers
450 and Daniel has twice as many stamps as Edward. If
Daniel has a third as many stamps as Robert which boy
has 75 stamps?
11. Yvette, Yvonne and
Yoland raced each other to the park. Yvonne didn’t
come last and neither did
Yvette. Yoland finished just behind Yvonne. Who won?
13. When he lived in
Bangkok Mr Huang could cover 1km in 5 minutes by
bicycle. Riding a tuk-tuk
allowed him to travel 100m every 40 seconds. Was it
quicker for Mr Huang to travel by tuk-tuk or bicycle?
14. Lee’s height is 5cm
more than Sam’s who is 5%
taller than Nat. If Nat is 160cm which boy is 173cm?
15. Tony and Alex are avid
readers of Harry Potter
books. Yesterday they read a combined 80 pages. If
Alex read 40% of that number which boy did not
read 48 pages?
20. Does Mrs Tripper get
more holidays if she takes 5 days leave quarterly or 25
days off annually? Answer
quarterly or annually.
21. Apart from zero, which
number, when doubled,
gives the same answer as its square?
23. Sal is shorter than Bec
who is taller than Lyn but
shorter than her brother Tim. Which girl is tallest?
25. Which number, when
halved, results in ¼ of 16?
26. If Mrs Jackson is 2/3 of
three times her son James’ age and James is 20 how
old is Mrs Jackson?
28. Which number when
halved gives the same answer as 45 divided by 10?
29. If 2842 is leal what is
8224?
32. Bronwyn is 2 years
younger than Brianna who is 4/5 Bettina’s age. If
Bettina is 15 who is 10?
34. If 54158587 is einelelt
what is 75145885?
35. Shane, Simon and
Steve had $20 between
them. Shane’s share was 40% of the total, Simon’s
35% and Steve’s 25%. Who
had $5?
36. Emma and Enid picked
flowers to make a bouquet.
Enid picked 2/5 of the 30 flowers picked by the girls.
Which girl picked 12
flowers?
37. If Yvette is older than
Yvonne, Yoland is older than
Yassie, and both Yoland and Yassie are older than
Yvette, who is the
youngest?
1. Sal, Sol and Sam are
triplets. If Sam is 3 minutes older than Sal and Sol is 5
minutes younger than Sam
who was born first?
2. Evelyn, Emilee and Elaine
walked 12km altogether. Evelyn walked 2km more than Emilee who walked 500m more than Elaine. If Elaine walked ¼ of the total who walked 5.5km?
3. If Clare is ¼ her
grandma’s age and her 12
year old sister Ciara is 20% grandma’s age who is 15?
4. Jade, Judy and Jane spent
$28 at the markets together. If Jade spent ½ as much as Judy and Judy spent ½ as much as Jane who spent $8?
5. Sheena is ½ of 3/5 of
Tammy’s weight. Shazza is
¾ of 1/3 of Tammy’s weight. Who weighs the
most, Sheena or Shazza?
6. Eti and Edi measured their
heights. Eti’s height was 10cm more than 50% of three metres. Edi’s height was 38cm more than 30% of four metres. Who was shorter?
8. If I double four, square
the result, and then add
twenty six, what do I get?
10. Diana, Deane and Donna
sipped on their pineapple juices. Diana had almost as many sips as Deane who had one sip less than Donna. Who had the least number of sips?
12. What do get if I divide
2000 by 20, obtain the square root of that result
and then double it?
16. Kurt is 2 years less than
½ Bill’s age of 30, and Kane is 2 years more than 1/3 Bill’s age. Who is older, Kurt or Kane?
17. Twins Ann and Alf
earned a total of $15 doing
small jobs for neighbours. If Alf earned $2 less than 3/5
of the total who earned the least?
18. Brian, Byron and Benny
ran a total of 36 laps of the park. If Brian ran 1/3 as many
laps as Byron and 1/5 as many laps as Benny, who ran 12 laps?
19. Rob and Bob washed 5
cars between them. If Bob washed ½ as many cars as
three times the number that Rob washed, who washed
the most cars?
22. If it’s 85km from Dilby to
Dalby how many kilometres is it from Dilby to Dulby which is on the Dilby-Dalby road and 68km from Dalby?
24. Chen paid $25 for a
new computer game after receiving a $10 discount.
Chan paid $45 for his new
game after also receiving a $10 discount. Who got the
better deal?
27. How much is 4% of half
of 1000?
28. If I double six squared
and then add half of six squared what do I end up with?
30. Lennie, Lonnie and Larrie
raised more than $100 between them for their school’s Sports budget. If Lennie’s share was less than Lonnie’s and Larrie raised more than Lennie who raised the least amount?
31. Sarah, Sally and Susie
spent a total of $19 on their lunches. Sarah spent 1½ times as much as Sally who spent 1½ times as much as Susie. Which girl spent $6 on her lunch?
32. Billy, Benny and Bobby
spent a total of 6 hours on their homework. If Benny spent 30 minutes more than Bobby and Bobby spent 30 minutes more than Billy, which boy spent 2½ hours on his homework?
33. What number is 3 more
than the square root of the square root of 16?
© Intelligent Australia Productions 33
About ‘Maths-a-Mix’ Description:
There are 32 clues in this puzzle which is a real mix of many different maths topics.
Which students will benefit most from doing this crossword?:
As this puzzle deals with so many maths concepts it is ideal as a revision activity for those who’ve covered everything in it in class. It also provides a tantalising challenge for younger, bright students who may not have been introduced to all the topics covered here.
Level of Difficulty:
Medium
© Intelligent Australia Productions 34
10 Concepts/Topics Covered in ‘Maths-a-Mix’
Your students will encounter each of these
concepts/topics in the crossword.
------------
Axes of
symmetry
Prime
number
Radius of
a circle
Sum and
product
Circumference
Polygons
Pyramid
Roman
numerals
Angles
Multiple
© Intelligent Australia Productions 35
Level of difficulty
1 2 3 4 5
6
7 8
9 10
11 12
13 14 15
16 17
18
19 20
21 22 23
24 25 26
27
28
29
I find
juggling
easy.
Yes, but what
about Maths
crosswords?
© Intelligent Australia Productions 36
AAccrroossss DDoowwnn 1. Angles are
measured in …?
4. What is 1 500 in
Roman Numerals?
6. The top of a
pyramid is its …?
7. The plural is
‘vertices’ and the singular is …?
9. When we add
some numbers we obtain their …?
11. Numerators
and denominators are found in …?
16. The distance
around a circle is the circle’s …?
18. The shortest
distance from the centre of a circle to the circle itself is the circle’s …?
22. The diameter
of a circle passes through the circle’s …?
24. How many
edges does a pentagonal pyramid have?
25. There are 100
of these in 1 000.
28. The bottom
part of a fraction.
29. One heptagon
and one triangle: how many sides altogether?
1. What is 510 in
Roman Numerals?
2. An angle of 90o
is a _ _ _ _ _ angle.
3. A heptagon has
this many sides.
4. Does a nonagon
have more or less sides than an octagon?
5. A hexagon has
this many sides.
6. Angles greater
than 0o and less than 90o are …?
8. How many edges
does a square pyramid have?
10. When two
numbers are multiplied together we get their …?
12. Can a number
be divided into itself once or twice?
13. An 8-sided
plane figure is called an …?
14. Part of a
circle’s circumference.
15. The distance
around the boundary of a plane figure.
17. A square has
this many axes of symmetry.
19. Is 5 the second
or third prime number?
20. One hexagon
and one rectangle: how many sides altogether?
21. 22 – 2 x 2.
23. Is 100 the
ninth or tenth multiple of 10?
26. One pentagon
and one rectangle: how many sides altogether?
27. How many
edges does a triangular pyramid have?
© Intelligent Australia Productions 37
About ‘Bits ‘n Pieces’ Description:
As its name suggests ‘Bits ‘n Pieces’ deals with quantities less than 1….fractions, percentages and decimal numbers. The puzzle contains 42 clues.
Which students will benefit most from doing this crossword?:
This puzzle provides excellent consolidation/revision for students wishing to master fractions, percentages and decimals, and their relationship to each other.
Level of Difficulty:
Medium
© Intelligent Australia Productions 38
10 Concepts/Topics Covered in ‘Bits ‘n Pieces’
Your students will encounter each of these
concepts/topics in the crosswod.
-----------
Subtract
decimal
from
percent
Find
missing
numerator
Hundredths
Thousandths
Find missing
denominator
Express
fraction
as a
decimal
Equivalent
fractions
Express
decimal as
a percent
Express
decimal as
a fraction
Quarters
© Intelligent Australia Productions 39
Level of difficulty
1 2
3 4
5 6 7
8 9 10
11
12
13 14 15
16 17 18 19
20 21
22 23
24 25
26 27
28
29 30
31 32
33 34 35
36
37 38 39
Don’t be scared
away by this
puzzle…..it’s
not too difficult.
© Intelligent Australia Productions 40
AAccrroossss DDoowwnn 1. 0.5 expressed as a
fraction is one _ _ _ _.
2. How many percent
is 0.4?
3. 80% - 0.8.
8. The bottom number in a fraction.
10. How many percent is 0.11?
11. This prefix means ‘ten’.
12. Two or more fractions that have the same value are said to be …?
14. In the number 31.045 the 3 represents three …?
16. In the number 31.045 the 5 represents five …?
21. How many wholes is 100%? 22. What numerator goes with a denominator of 10 to make a fraction that equals 30%?
24. Three quarters is equivalent to nine …?
27. How many percent is 0.09?
28. 0.25 is one …?
29. Half of a quarter is one …?
34. What numerator goes with a denominator of 12 to make a fraction that equals 75%?
36. How many hundredths equals 0.65?
37. Is 4/5 more or less than 75%?
38. If I _ _ _ _ _ _ 5 by 10 I will get 0.5 as my answer.
39. How many percent is 0.11?
1. In the number 6.95 the 5 represents five …?
2. What numerator goes with a denominator of 6 to give a fraction equivalent to 2/3?
4. There are one _ _ _ _ _ _ _ hundredths in one whole.
5. What denominator goes with a numerator of 6 to give a fraction equivalent to 2/3?
6. How many hundredths equals 70 thousandths?
7. 60 hundredths equals 6 …?
9. How many fifths equal two tenths?
13. One quarter is sometimes called one …?
15. How many fourteenths make one half?
17. What the top number in a fraction is called.
18. In the number 8.452 which digit is in the thousandths place?
19. How many hundredths is 0.16?
20. What denominator goes with a numerator of 12 to make a fraction that equals 24%?
23. Seventeen seventeenths equals one …?
25. Six sixteenths equals three …?
26. Three wholes equals six …?
28. Three twelfths equals one …?
30. The simplest name for nine eighteenths is one …?
31. First two syllables of ‘denominator’.
32. How many sixths equals two twelfths?
33. How many percent is 0.05?
35. Which digit is in the tenths place in 72.95?
© Intelligent Australia Productions 41
About ‘Formulae’ Description:
‘Formulae’ contains 23 clues. It covers many of the formulae required to work out areas and volumes in Maths up to the level of mid secondary school.
Which students will benefit most from doing this crossword?:
Students will be able to complete this puzzle if they have covered Area (plane shapes) and Volume (solid shapes).
Level of Difficulty:
Medium
© Intelligent Australia Productions 42
10 Concepts/Topics Covered in ‘Formulae’
Your students will encounter each of these
concepts/topics in the crossword.
------------
Circumference
of a circle
Perimeter
of a
rectangle
Volume of a
triangular
prism
Area of a
parallelogram
Volume of a
rectangular
prism
Area of a
circle
Volume of
a cube
Area of a
triangle
Volume of
a cylinder
Area of a
rectangle
© Intelligent Australia Productions 43
Level of difficulty
1 2 3 4 5
6
7 8
9 10
11
12
13
14 15 16
17
18 19
20 21
22
When you know the
formulae working out
maths problems is as
easy as jumping over a
rope.
© Intelligent Australia Productions 44
AAccrroossss DDoowwnn 1. The volume of
which solid shape is obtained by using this formula:
V = l x r2 ? (where l = length or height)
8. For which plane
shape do we use the following formula to find its area?
A = ½ b x h (where b = base)
9. To find the area
of a triangle we multiply the base by the height, then times by one ______.
11. A line from a
corner of a rectangle, through the centre, to the opposite corner.
13. The formula
C = 2r is used to
find a circle’s …?
17. The formula for
finding the area of a triangle is A = ½ b x h where h is the triangle’s ____________ height.
18. By using the
formula V = l 3
(where l = side length)
we can work out the volume of a _______.
19. The formula for
finding the volume of a rectangular prism is
V = l x w x h where h represents the prism’s …?
20. If we multiply a
rectangle’s length by its width we will find its …?
21. Sometimes
used as an abbreviation for ‘height’.
22. The formula
V = ½ b x h x l (where b = base and l = length)
is used to find the volume of a triangular …?
1. We use the
formula
A = r2 to find the area of a …?
2. We can find the
volume of a rectangular prism by multiplying the area of its end by its …?
3. We use the
formula
A = l x w (where l = length and w = width)
to find the area of a …?
4. To find the area
of a parallelogram I multiply its height by its …?
5. The bottom side
of a plane shape or a solid object is its …?
6. The symbol is called …?
7. A half-circle is a
_______ circle.
10. A square has
this many equal sides.
12. This is
multiplied by to
work out the circumference of a circle.
14. The perimeter
of a rectangle is the sum of all its …?
15. The area of a
circle is calculated
by multiplying by
the _________ squared.
16. The volume of
a rectangular prism is worked out using the formula
V = l x w x h where w represents the prism’s ….?
© Intelligent Australia Productions 45
About ‘Higher Powers’ Description:
This 37-clue puzzle treats higher powers of a number of different bases (including the common ones: 2, 3, 5 and 10). All four mathematical operations (+, -, x and ÷) are incorporated into the clues.
Which students will benefit most from doing this crossword?:
All students who have learnt indices or ‘powers’ will find this puzzle useful. It provides an excellent challenge for bright, younger students whose exposure to indices (in particular, higher powers) has been minimal.
Level of Difficulty:
Medium
© Intelligent Australia Productions 46
10 Concepts/Topics Covered in ‘Higher Powers’
Your students will encounter each of these
concepts/topics in the crossword.
-----------
1 raised
to various
powers
Different
bases,
different
powers:
subtraction
Different
bases,
different
powers:
addition
Problems
involving
brackets
10 raised
to various
powers
Mixed
problems
involving
different
bases and
powers
Different
bases,
different
powers:
multiplication
Different
bases,
different
powers:
which no. is
greater?
Base
number
raised to
the 4th
power
Same
bases,
different
powers:
division
© Intelligent Australia Productions 47
Level of difficulty
1 2 3
4 5
6
7 8 9 10
11 12 13
14
15 16
17
18
19 20
21
22 23 24
25
26
27 28
29 30 31
32
33
These aren’t
as hard as
you might
think.
© Intelligent Australia Productions 48
AAccrroossss DDoowwnn 1. 34
4. Is 32 more or
less than 23?
6. 110
7. 23 – 14
9. 103 ÷ 102
11. (53 ÷ 52) x 2
14. 52 - 24
15. (25 – 33) x 2
16. (34 ÷ 32) - 15
17. (43 ÷ 42) – 19
18. 18 x 2 x 51
19. Is 43 larger
than 34?
20. 101 is one
_ _ _ _ _ of 102.
21. How many
times will 25 divide into 43?
22. What fraction
of 26 is 22?
26. 15 + 16 + 17 + 18
28. 27 ÷ 25
30. 120 x 51
32. 26 ÷ 23
33. 43 ÷ 22
1. 25 ÷ 23 x 2
2. 53 x 2
3. 43 ÷ 26
5. What fraction of
26 is 2?
8. 22 x 52 ÷ 102 x 32
10. 27 ÷ 24
12. 14 x 23 + 12
13. 92 ÷ 34
15. 22 + 32
17. 53 ÷ 52 – 22 + 14
20. 32 + 111
23. 32 - 31
24. 23 is _ _ _ _ of
42.
25. 25 – 33 – 11
27. 103 equals a
hundred _ _ _ _.
29. 25 ÷ 42 + 22
31. 02 + 14 + 32
© Intelligent Australia Productions 49
About ‘Know Your Place’ Description:
This 34-clue puzzle deals with Place Value. Place values used in the crossword range from tens of millions to thousandths.
Which students will benefit most from doing this crossword?:
Any student who is familiar with Place Value will find this puzzle provides a fun alternative to traditional maths exercises and revision activities.
Level of Difficulty:
Medium
© Intelligent Australia Productions 50
10 Concepts/Topics Covered in ‘Know Your Place’
Your students will encounter each of these
concepts/topics in the crossword.
-----------
Units =
ones
0.11 as
one tenth
plus one
hundredth
OR eleven
hundredths
Large
numbers:
millions
Large
numbers:
hundreds
of
thousands
Decimal
numbers: the
thousandths
place
Decimal
numbers:
the
hundredths
place
The
hundredths
place
Large
numbers:
tens of
millions
Different
digit,
different
place:
compare
value
Same
digit,
different
place:
compare
value
Decimal
numbers:
the
tenths
place
© Intelligent Australia Productions 51
Level of difficulty
Important: Ones=Units!
1 2
3 4
5 6
7 8
9
10 11
12
13 14 15
16 17 18 19
20 21 22 23
24 25
26
27
28
29
Crosswords make
maths fun.
© Intelligent Australia Productions 52
AAccrroossss DDoowwnn 1. In the number
54 326 in which place is the 4?
6. In the number
74 908 which digit is in the hundreds place?
7. In the number
65.702 which place is occupied by the 0?
9. 3 875…..in which
place is the 5?
10. If there’s a 5 in
the tens place and a 5 in the ones place how many times bigger is the ‘tens’ 5 than the ‘ones’ 5?
11. Which digit is in
the thousandths place here?... 798.102
12. 45 894…which
digit occupies the tens place?
13. In the number
45 076 in which place is the 7?
14. Which digit is in
the tenths place here?... 259.068
16. Is the 4 in 35.04
worth more or less than the 4 in 28.43?
18. In the number
645 423 which digit occupies the hundreds of thousands place?
20. In the number
47 982 305 which digit occupies the millions place?
23. 59.072…..in which
place is the 9?
24. How much
greater in total value is the 1 in 715 than the 5?
26. Which digit is in
the tens of thousands place here?... 4 580 297
27. By how much
in total value is the 1 in 87 614 greater than the 4?
28. In the number
28 306 459 which digit is in the tens of millions place?
29. In the number
189 how much greater is the total value of the 1 than the total values of the other two digits combined?
1. In which place is
the 5 in the number 64.095?
2. In the number
72 819 is the total value of the 9 more than the total value of the 1?
3. In the number
2 354 092 the total value of the first 2 is one _ _ _ _ _ _ _ times greater than the total value of the second 2.
4. Which digit is in
the hundreds of thousands place here?... 2 745 013
5. In the number
46 670 how many times bigger in total value is the first 6 than the second 6?
8. In which place is
the 0 here?... 6 297 043
10. In the number
8 317 how much more in total value is the 1 than the 7?
11. Which place is
occupied by the 4 in the number 879.46?
12. Is the total
value of the 8 worth more than the total value of the 4 in the number 482?
15. In which place
in the number 4 362 is the 6?
17. In the number
4 567 083 which digit is in the thousands place?
19. Another name
for ‘Ones’.
21. In the number
432.11 there are 4 hundreds, 3 tens, 2 ones and ________ hundredths.
22. By how much is
the total value of the 1 in 7 612 greater than the total value of the 2?
24. In the number
265.034 which digit is in the thousandths place?
25. Which digit in
the number 34.025 is in the tenths place?
© Intelligent Australia Productions 53
About ‘There’s a Word for That’ Description:
‘Mathematical Terms’ is a 43-clue puzzle designed to consolidate students’ knowledge and understandings of terms used in maths.
Which students will benefit most from doing this crossword?:
Students from late primary through to mid secondary, as well as bright younger pupils, will find this puzzle fun and useful.
Level of Difficulty:
Medium
© Intelligent Australia Productions 54
10 Concepts/Topics Covered in ‘There’s a Word for That’
Your students will encounter each of these
concepts/topics in the crossword.
-----------
Construct
Arc
Factors
Bisect
Reflex
angle
Radius
Counting
number
Points
Prime
number
Parallel
© Intelligent Australia Productions 55
Level of difficulty
1 2 3 4 5 6
7 8 9
10 11 12
13 14
15 16 17 18
19
20 21 22 23
24
25 26
27 28 29
30
31 32 33
34 35 36 37 38
39 40
Yep, maths has
words...not just
numbers.
© Intelligent Australia Productions 56
AAccrroossss DDoowwnn 1. What we call all numbers with only two factors.
2. To make longer.
5. Locations in space.
8. The same.
10. Used to construct a circle.
12. The first counting number.
13. A word used for equal fractions.
15. Three-sided plane shapes.
18. Part of a circle’s circumference.
19. This may be drawn straight, jagged or curved.
20. Lines at right angles to each other are …?
22. Occasionally called ‘nought’.
26. Greater.
27. An instrument for measuring angles.
30. These are drawn with the assistance of a ruler. plural
35. Numbers that can divide evenly into a given larger number.
36. Some examples of these are hexagon, circle, triangle and square.
39. To cut a line or an angle in half.
40. An angle greater than 180o but less than 360o.
1. A way of expressing the ratio of one number to another; out of 100.
2. A lower quantity.
3. Is 21 a prime number?
4. Hectare. abbrev'
5. A rectangular prism is a solid shape but a rectangle is a _ _ _ _ _ shape.
6. To rotate.
7. Angles greater than 0o but less than 90o.
9. A plane figure with 4 straight sides.
11. Lines that run in the same direction are …?
14. This plane shape has one pair of opposite sides parallel.
16. Two of these are needed to form an angle.
17. The prefix ‘deca’ means…?
21. These numbers have more than two factors.
23. Angles greater than 90o but less than 180o.
24. Heptagons have this many sides.
25. This many lines are needed to form an angle.
28. This is always half the diameter of a circle.
29. This prefix means ‘three’.
31. A small arc is a minor one and a large arc is a _ _ _ _ _ one.
32. Squares have four axes of symmetry. True or false?
33. All solid objects occupy _ _ _ _ _.
34. This object has 6 identical faces.
37. A prefix meaning ‘six’.
38. In a right angled triangle the _ _ _ _ opposite the right angle is the longest one.
© Intelligent Australia Productions 57
About ‘How Long, How Heavy, How Much? Description:
This crossword has 30 clues. It deals with Length, Area, Volume and Mass.
Which students will benefit most from doing this crossword?:
All students who have covered the concepts on the next page will find this puzzle useful….and fun!
Level of Difficulty:
Medium
© Intelligent Australia Productions 58
10 Concepts/Topics Covered in ‘How Long, How Heavy, How Much?’
Your students will encounter each of these
concepts/topics in the crossword.
----------
Convert
metres to
millimetres
Convert
centimetres
to kilometres
Convert
centimetres
to
millimetres
Convert
centimetres
to metres
Convert
litres to
millilitres
Convert
sq. metres
to hectares
Convert
millilitres
to litres
Convert
metres to
centimetres
Convert
grams to
kilograms
Convert
kilograms to
tonnes
© Intelligent Australia Productions 59
Level of difficulty
1 2 3 4
5 6 7
8 9
10
11 12 13
14 15
16 17 18
19 20
21 22
23
24 25
26
How heavy?
Very heavy!
© Intelligent Australia Productions 60
AAccrroossss DDoowwnn
1. How many
kilograms do forty 350g packets of flour weigh?
3. Is a 9m high
building smaller or larger than a 910 cm building?
6. A 4m long
cotton thread is one _ _ _ _ _ _ _ _ times longer than a 4mm long cotton thread.
8. No month has
more than this number of days.
11. How many
1L milk cartons can be filled with 76 000ml of milk?
14. How many
kilometres has an athlete run after covering 100 000cm?
15. How many
1 000kg cars weigh 5 tonnes?
17. An area of
10 000m2 is a ………… (abbrev’)
19. A snail
moving at 1mm every 2 seconds will cover a distance of one _ _ _ _ _ in 2 000 seconds.
21. Which shape
containing four right angles and with length 8cm and width 2cm has the same area as a 4cm square?
23. Can two 1.5L
jugs hold a greater or lesser amount of water than three 850ml jugs?
24. Do four 900kg
cars have more or less mass together than fifteen 220kg motor cycles?
25. How many
mm longer is 532mm than 53.2cm?
26. This means
the same as ‘zero’.
1. How many
kilograms do two hundred and fifty 200g tubs of butter weigh together?
2. Is a 1.83m
tall man taller than a man whose height is 1900mm?
4. Is 5500ml
more or less than 6L?
5. How many
metres is 1600cm?
6. How many
2cm cubes occupy a space of 80cm3?
7. How many
1-tonne walruses weigh a total of a million grams?
9. How many
more tonnes do four 2 tonne elephants weigh than five 1 tonne hippopotami?
10. How much
bigger than 1/10 is 40 hundredths? (answer as a fraction)
12. By how
many mm does 43mm exceed 4.1cm?
13. What is the
only 4-sided shape with all sides equal and all angles equal?
14. How many
3cm cubes occupy a space 27cm3 in volume?
16. 20 000m2 is
one _ _ _ _ _ _ _ less in area than 3 hectares.
18. A 250kg
motor cycle weighs a _ _ _ _ _ _ _ of a tonne.
20. Milligrams abbrev’
22. Centimetres abbrev’
24. Millilitres abbrev’
© Intelligent Australia Productions 61
About ‘All Mixed’ Description:
‘’All Mixed’ is a 45-clue puzzle covering a wide range of maths topics and concepts (see next page).
Which students will benefit most from doing this crossword?:
Students from late primary age up to mid secondary age, as well as bright younger students, will find this puzzle a medium level challenge as well as fun.
Level of Difficulty:
Medium
© Intelligent Australia Productions 62
10 Concepts/Topics Covered in ‘All Mixed’
Your students will encounter each of these
concepts/topics in the crossword.
------------
Prime
number
Pentagon
Hexagon
Axes of
symmetry
Volume
Pyramid
Whole
number
Product
Quotient
Roman
Numerals
© Intelligent Australia Productions 63
Level of difficulty
1 2 3 4 5 6
7 8
9 10 11
12
13
14 15 16
17
18 19
21 22
23
24 25
26 27
28
29
30 31 32 33
34
35 36 37 38 39
40
41
Maths is like sport.
Aim high, try hard,
and you’ll do well.
© Intelligent Australia Productions 64
AAccrroossss DDoowwnn 1. The result obtained when one number is divided by another.
8. When you do this to two numbers you get their product.
9. 7 is the _ _ _ _ _ _ prime number.
10. ¼ and ½ are fractions but 5 is a _ _ _ _ _ number.
11. Dividing forty-eight by eight gives a quotient of …?
12. Centimetre. abbrev’
13. 23
14. How wide a shape is, is its…?
16. What is 400 in Roman Numerals?
17. A 5-sided plane shape.
18. Numbers that have more than two factors are …?
21. When 20 is divided by 3 the answer is 6 _ _ _ _ _ _ _ _ _ 2.
23. Sometimes maths
problems, especially addition ones, are called _ _ _ _.
25. Twelve is a dozen and twenty is a _ _ _ _ _.
26. A shape with four right angles and two pairs of parallel sides.
28. 4 is one _ _ _ _ _ _ of 32.
29. 1400 in Roman Numerals.
31. Numbers with just two factors are _ _ _ _ _.
33. The name of the sign used in subtraction problems.
34. How many sides has a hexagon?
35. What is the product of ½ and 80?
37. The amount of space occupied by a solid object.
40. How many mm in one cm?
41. This plane shape has four sides with two of them parallel.
2. 5 is one _ _ _ _ _ of 15.
3. The angles inside these always sum to 180o.
4. How do we write 45 in Roman Numerals?
5. If I _ _ _ _ _ _ 60 by 12 I get 5 as my answer.
6. A solid shape with a base, an apex and slanting sides.
7. Not many (often just 3 or 4) is a …?
8. The name we give to a thousand lots of 1000.
14. There are two of these in a fortnight.
15. ½ is 50% as a percentage and 0.5 as a …?
17. 0.75 equals 75…?
19. How many percent is 0.01?
22. A plane shape with 10 sides.
24. The common
matchbox is in the shape of a rectangular _ _ _ _ _.
27. A rectangle has this many axes of symmetry.
29. Grams, kilograms and tonnes are units of…?
30. 20% expressed as a fraction is one _ _ _ _ _.
31. Two straight lines that meet at a _ _ _ _ _ form an angle.
32. Which month comes three months after the month with the least number of days?
36. How many axes of symmetry does an isosceles triangle have?
38. What is the only whole number that is a factor of every other whole number?
39. How do we write 1900 as a Roman Numeral?
© Intelligent Australia Productions 65
About ‘Small and Smaller’ Description:
‘Small and Smaller’ has 42 clues. It deals with fractions, percentages and decimal numbers.
Which students will benefit most from doing this crossword?:
This puzzle provides excellent consolidation/revision for students whose mastery of fractions, percentages and decimals, and their relationship to each other, is not complete.
Level of Difficulty:
Medium
© Intelligent Australia Productions 66
10 Concepts/Topics Covered in ‘Small and Smaller’
Your students will encounter each of these
concepts/topics in the crossword.
----------
Equivalent
fractions
Tenths
Finding the
number of
wholes in a
given
number of
halves
Quarters
Millionths
Convert
decimal to
fraction
Decimal
points
Hundredths
Convert
decimal to
percent
Convert a
fraction
to
percent
© Intelligent Australia Productions 67
Level of difficulty
1 2 3 4 5
6 7 8 9 10 11
12
13 14 15 16
17 18
19
20
21 22
23 24
25 26
27 28
29 30
31
32 33
34 35
36
37 38
39
Tennis is fun, and
so are Maths
crosswords.
© Intelligent Australia Productions 68
AAccrroossss DDoowwnn 1. How many
percent is 0.23?
4. This means ‘out
of 100’.
6. How many
quarters in zero?
8. What must I do
to two numbers to get their product?
11. Which
numerator goes with a denominator of 8 to make a fraction equal to 25%?
12. Four of these
make one half.
17. In the number
9.5 the 9 is separated from the 5 by a …?
19. Six of these
equal two wholes.
20. How many
percent is 0.09?
21. What
denominator goes with a numerator of 6 to give a fraction equal to 0.75?
23. The number
‘one million’ has six of these.
25. What numerator
goes with a denominator of 100 to give a fraction equal to 1%?
26. Do I add or
subtract when finding the sum of two numbers?
29. What percent
is 4/100?
30. Eight of these
equal four fifths.
31. If I multiply 0.25
by 10, I _ _ _ _ the decimal point one place to the right.
32. 0.75 is _ _ _ _
of 1.5.
34. 6 followed by
three zeros is six…?
36. What numerator
goes with a denominator of 15 to make a fraction equal to 0.2?
37. There are
twelve of these in 120.
38. Two of these
equal one quarter.
39. What percent
is 15/30?
2. Seven sevenths
make one _ _ _ _ _.
3. First two letters
of ‘thousand’.
4. Last syllable of
‘multiply’.
5. One half equals
500 …?
7. How many
hundredths equal 0.11?
8. There are one
_ _ _ _ _ _ _ millionths in one whole.
9. What
denominator goes with a numerator of 6 to make a fraction equal to 0.6?
10. How could
‘percent’ (meaning for
each hundred) be abbreviated to two letters?
13. How many
fifths equal six tenths?
14. What
calculators perform.
15. Decimal point. initials
16. To obtain a
quotient I must first …?
18. 80% equals
four _ _ _ _ _ _.
22. There are
seven of these in 0.07.
24. Take away.
27. How many
fiftieths equal 4/5?
28. 25% is one …?
30. How many
percent is one fiftieth?
33. What numerator
goes with a denominator of eighty to make a fraction equal to 0.5?
35. How many
wholes do five fifths make?
© Intelligent Australia Productions 69
Challenge classmates with your own Maths Crossword……
Title …………………………………………………………………………………………………………………………………………………………………………………..………………………………..
Compiled by …………………………………………………………………………………………………………………………………………………………………………………..………………………………..
© Intelligent Australia Productions 70
AAccrroossss DDoowwnn
© Intelligent Australia Productions 71
S E A S O N S T H I R D
P A A
R T W E L V E T
T H I R T Y E F H R
W L D F S U
E O N E R
N I N E T Y R C S
T I H F I F T Y T W O D
Y N R E R N N A
E E B I I D A Y S
Y E A R D G S U
D U A H N
E A Y T W O D
C E N T U R Y E A
A Y M T U E S D A Y
D O K A
W E E K S M I N U T E S Y E S
H P C X C
H Q P A R A L L E L
O B T U S E R E M
R A R O O T N V A
I R I D G R O S S
Z T M D T L S
O E V E N O H O U R
N R T D M
T D E C A D E T E N
A R Q U
L E S S C U B E M
Z C A T E N
T H R E E O V A L R
W R N A R E A
O D O Z E N L
© Intelligent Australia Productions 72
O N E T H O U S A N D
I W I I
N E X N
S E V E N T T E N
T W I Y
S I X T Y F O U R N E
S L E S S
O N E E I G H T H
N V W
E Z E R O O N E M
H N N I N O
H A L F T E N G R
L T H R E E
F I V E T
E I G H T Y F I V E C E N T S
I R W O E I I T E N
G E E R N N X I
H A N T H I R T E E N L G
T T T Y S I E H
E Y O N S I X T Y
R T W E N T Y L E S S
W E T T
O W H
T W O D O L L A R S E I G H T Y R
H O N E E
S I X L T N I N E
R L T Y H
T A T H R E E H U N D R E D
Y R I I N I
S E R G D G
I T H R H
G E T E I G H T Y
H E D Y
F I F T Y N I N E
© Intelligent Australia Productions 73
A P E X C V V B
Y O O E A
R E C T A N G U L A R P R I S M
A R E U T E
M I M I D
I A R E A C U B E
E D G E S C E P
I P Y S T
G H L L H H
H H E M I S P H E R E V
T E N R N A N I T E N
I E D R G G R
G E A T H T
H C R L H T H R E E
T W O L X
N F A C E S
E L
P R O T R A C T O R T W O T
A R O U A N G L E
R I M R B C N
A R E A P E R P E N D I C U L A R
L N A Q S T N
L O N G S U M U E E G
E L E S S I C L
L I N E H A L F T R A P E Z I
A R N
D M R T R C T
S E M I I S O S C E L E S B A S E
G D G R F R R
R P H A L E E S
E O B T U S E L E S Q U A R E
E I L X U C
N S C A L E N E H A L F T
W I D T H I L O
P E R I M U
P S T H R E E
D I A M E T E R
© Intelligent Australia Productions 74
S E V E N C J A S M I N E
A V L U H D A N
M E D W A R D E I I
D L R Y V E T T E N
B I C Y C L E N W L E E
A N A L E X T
N K A B N B Y
A N N U A L L Y T W O
S R F R Y B E C
E I G H T F O R T Y H
V N W N I N E
E L L A S E I N
N E A B R O N W Y N F
T E N I E L L E T E I
E N L N Y S T E V E
E N I D Y N Y E
N E Y V O N N E
D E G R E E S M D S
A P E X I E O I
C G V E R T E X
S U M P H E E I
T F R A C T I O N S G
E O N H
O A D C P T
C I R C U M F E R E N C E
T C C O R
A T U R A D I U S
G T R T M
O H Z C E N T R E
N I T E N N E T E N S
R R S N E I
D E N O M I N A T O R N
X H T E N
© Intelligent Australia Productions 75
H A L F F O R T Y
U Z E R O H
N N U S T U
D E N O M I N A T O R E L E V E N
R N N V N D E C
E E E Q U I V A L E N T R
D F N H T E N S
T H O U S A N D T H S S D E
H U U W I V
S R M O X F O N E
T H R E E T I W N
H R T W E L F T H S E
H A E T O N I N E
Q U A R T E R N Y L G
U L O E I G H T H
D A V R O T A
E R E F N I N E H L
N T S I X T Y F I V E I S F
O E V N
M O R E D I V I D E E L E V E N
C Y L I N D E R L B
I E E E A
R N C P N S
C G S T R I A N G L E
L T E A T
E H M N H A L F
D I A G O N A L O
D L U
C I R C U M F E R E N C E R
A
M S R W
P E R P E N D I C U L A R I
T D D D
E C U B E H E I G H T
A R E A S U H T
P R I S M
© Intelligent Australia Productions 76
E I G H T Y O N E
I W N M O R E
G O N E N
H H S E V E N T E N
T E N U O T I I
I N I N E H N G
T E N D E I E I G H T
H E R T H R E E T
I T E N W T
R D N O Y T E N T H
T W O A S E
E O N E S I X T E E N T H
E D I C A F
N F X F O U R L O
I T N F O U R
S F I V E D T R
E I G H T N E
X Y S I X T E E N
T H O U S A N D S
H O M S
O T N I N E
H U N D R E D T H S L V
S N U L E
A O N E S I N
T E N T W O D O
H D E R N I N E
R T E N S Z E R O T
E H T D E
L E S S H S I X U N
E S E V E N O N E S
F I V E L I Z I
O E E G E I G H T
U N V H R S I X
R E T W O
E L E V E N
© Intelligent Australia Productions 77
P R I M E L E N G T H E N P O I N T S
E E O A L U
R S A E Q U A L R
C O M P A S S C U N O N E
E A E Q U I V A L E N T
N R T D R
T R I A N G L E S E R T A R C
A L I L I N E P
G L N L N E
E P E R P E N D I C U L A R Z E R O
L S O T S I B
T M O R E E U T
W P R V M U
P R O T R A C T O R A E S
A R S L I N E S E
D I M I T S
C I F A C T O R S S H A P E S
U U J E U E A I
B I S E C T O R E F L E X C D
E R E E
F O U R T E E N S M A L L E R
I O E
F S T H O U S A N D
T H I R T Y O N E N S
Y X H N E
T R T
S E V E N T Y S I X H
E E W Q R
O N E O U F I V E
N H H A Q E
M E T R E R U M T
C R E C T A N G L E
G R E A T E R M R N
A T T
M O R E Z E R O H
N I L E R S
© Intelligent Australia Productions 78
Q U O T I E N T X D P
H R F M U L T I P L Y
I I E I V V R
F O U R T H A W H O L E S I X A
D N L D C M
E I G H T I E I
W I D T H L O C D
E E E P E N T A G O N
E C O M P O S I T E
K I N R E M A I N D E R
S U M S E C E
A P E S C O R E
L R E C T A N G L E A
I W T E I G H T H
S O M C D O
F P R I M E M A M I N U S
I O A S I X
F I F O R T Y S V O L U M E
T E N N N C
H T R A P E Z I U M E M
T W E N T Y T H R E E P E R C E N T
H H L H
N O N E M U L T I P L Y T W O
L L I E C U
E E L N E I G H T H S
T V L C D D A
H D E C I M A L P O I N T F N
R N O L V T H I R D S
E N C N I N E F T
E I G H T U D T H
U L Z E R O S H S
O N E A D D U S
F D T B Q
F O U R I T E N T H S U
R E M O V E W R A
T D N O H A L F R
Y T H O U S A N D C O T
H N T H R E E
T E N S E I G H T H S T R
F I F T Y