s1 thinking time

8/8/2019 S1 Thinking Time

1/50

You have five minutes to write down as many

different types of sums giving the answer7asyou possibly can.

E.g. 777 111 =

42 - 32 =

How days in a week?

S1 Thinking TimeS1 Thinking Time


2/50


TIPUse trial and improvement

Try to arrange the ninenumbers below intoeach circle so that all

the numbers in eachline add to a specialdate in December. 5

10 6


3/50


What are the next 3 numbers in the

sequence?

2, 3, 5, . . .2, 3, 5, . . .

Can you find other rules?Can you find other rules?


4/50


Which one is the odd one out?

9, 10, 11

TIPThere are loads


5/50


11 pp 11

118118 pp 1010

365365 pp 1414

Whats the rule?


6/50


Move one match to makeMove one match to make

the statement true.the statement true.

=


7/50


WRITETHE FOLLOWINGNUMBERSIN

THE CORRECT ORDER.

2.2 0.828561 1.7631 1.898989 2.19 2.0919


8/50


Using the numbers, 1, 2, 3, . . . , 9 they

can be grouped together with + or -signs to form 100.

For example, 123 - 45 - 67 + 89 = 100

Find another combination in order.


9/50


Work out the following:

0 = 843 + 79 M = 386 - 291 S = 481 - 298

U = 887 + 392 R = 920 - 385 Y = 897 + 206

D = 328 - 69

Write the letter next to the correct answer to crack thecode.

259 922 1103 922 1279 535 183 1279 95 183


10/50


How many triangles canyou find in this pentagon?


11/50


Both 4 and 8 can be written as a sum of

2 prime numbers:

4 = 2 + 2 and 8 = 3 + 5

Which numbers less than 20 cannotbe

written like this?


12/50


It is a square number

It is an odd numberIt is < 50 and > 207 is a factor

What is the number?


13/50


It is a multiple of 10

It is an even number

It is < 50 and > 20

4 is a factor


14/50


It is > 50 and < 90

It is an even number

It is a multiple of 8

24 is a factor


15/50

S1 Thinking TimeS1 Thinking TimeHow many of the following areHow many of the following are

multiples of 5?multiples of 5?

A 1 B 2 C 3 D 4 E 5


16/50


What is the value of

101 + 2002 + 30003 + 400004 + 5000005?


17/50


The diagram shows 2

circles in a rectanglemeasuring 9cm by 5 cm.

What is the distancebetween the centres?

9cm

5 cm


18/50


What happens when each

bolt is turned in the directionshown?


19/50

S1 Thinking TimeS1 Thinking TimeDraw a shape with 5 linesand 10 joins so that each linehas only 4 intersections.


20/50


A painted cuboidmeasuring 4cm by5cm by 6cm is formedof 1cm cubes.

How many 1cm cubes

are NOT painted?

4cm

6cm

5cm


21/50


There is four errers in this sentence.

Can you find them?


22/50


You have 3 cups of coffee and 14 lumps

of sugar. You have to sweeten all thecups of coffee using an ODD number oflumps in each cup.

How can it be done?


23/50


24/50



25/50


If the area of

A = B = C

how far alongthe base is x?

B

A

C

x


26/50


If A + B + C = A v B v C

what are the values of A, B and C?

What is the rule?

118 p 8

365 p 90


27/50


How manytriangles can bedrawn using 3dots?


28/50


Where does the 6 appear?


29/50


move 3 matches to leave 5 squares.


30/50


While three wise men are asleep under a

tree a mischievous boy paints theirforeheads red. Later they all wake up atthe same time and all three startlaughing. After several minutes suddenly

one stops. Why did he stop?


31/50


Countdown 17

2 4 6 9


32/50


7

Countdown 30

2 5 3 1


33/50


1

1 1

1 2 1

1 3 3 1

1 4 6 4 1

Sum = 1

Sum = 2

Sum = 4

Sum = 8

Which row has a sum of 64?


34/50


What numbers

are missing whenyou add up thenumbers belowto get the top?

63

9 13

21


35/50

Starter ProblemStarter Problem

Shade half this shape.

Shade one quarter ofthis shape.


36/50



37/50


Anne is 31 and Peter is 7.

When will Anne be 3 times Peters age?


38/50


What is the illusion?


39/50


Which circle is bigger?


40/50


How manydifferent routes

give the wordAREA?

A A

A

A

A

AA

A

R

R

R

E

E

E


41/50

Starter ProblemStarter Problem

Place the numbers

1 to 11 so that thetotal for all rowsand columns is 23.


42/50


The way to simplify MISSISSIPPI in

algebra is MI4

S4

P2

. What are thefollowing places?

LO2N2D A3T2LN

M2I2A C2I3N3AT


43/50


Harry Potter uses 29 knuts

to make 1 sickle and 17 sicklesto make 1 galleon.

100 fizzing whizbees cost 1 galleon and 7

knuts.What is the cost of 1 whizbees in knuts?


44/50


Move 2 matches to form exactly 4 squares


45/50


Move 3 matches for form 3 squares.


46/50


Which numbers

must be crossedout to make therest add up to2002?

769

653

403

+ 6272002


47/50

A B C D

Which is cheapest and dearest?:

white squares eat more then white circlesblack squares eat more than white squares

black squares eat less than black circles



48/50


Which one below is next in the sequence?

1 2 3 4


49/50


How many eggs can be eaten on anempty stomach?

2 brothers cant stop fighting. Theirmother place a normal size newspaper

on the ground and tells them to stand onit. Assuming she does not rip the paper,how does this stop them fighting?


50/50


How many times do you see the letter F?

FINISHED FILES ARE THE RE-SULT OF YEARS OF SCIENTIF-IC STUDY COMBINED WITH THE

EXPERIENCE OF MANY YEARS

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