1 angles area and perimeter 2 algebra 3 4 triangles 5 statistics 6 probability 7 solids graphs 9...
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1
Angles Area and perimeter
2
Algebra
3
4
Triangles
5
Statistics
6
Probability
7
Solids Graphs
9
Bearings
8
Angles
Foundation
Higher
Check
B
D
C
A
Lines AB and CD are parallel.
EF is perpendicular to AB.
Angle FAE = 47o
Statements
1. Angle AFC is 47o
2. EF is perpendicular to CD
3. Angle AFE is 47o
47o
F
E
Which statements are true?
Statements 1 & 2 are true
Statement 3 is false.
Angle AFE = 43o
Did you get it right?
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B
D
C
A
Lines AB and CD are parallel.
AF = AE.
Angle AFE = 70o
Statements
1. Angle FAE is 40o
2. Angle EFD = 70o
3. Angle AFC is 40o
70o
F
E
Which statements are true?
All 3 statements are true.
Did you get it right?
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Chords AD and CB intersect at the centre of the circle, O.
Angle CDA = 35o
B
D
O
C
A
35o
Statements1. Angle BCD = 35o
2. Angle CBD = 55o
3. Angle AOC = 70o
Which statements are true?
All three statements are true.
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Chords AD and CB intersect at point E.
Angle CDA = 40o
B
DE
C
A
40o
Statements1. Angle DAB = 40o
2. Angle ABC = 40o
3. Angle AEC = 80o
Which statements are true?
Statement 1 is false because the lines AB and CD are not parallel
Statement 2 is true (angles on same arc)
Statement 3 is false because E is not the centre of the circleChoose a new topic
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Area & Perimeter
Foundation
Higher
This large rectangle is made from 4 smaller rectangles, each measuring 2cm
by 4cm
Check
Statements1. The perimeter of a small rectangle is 12cm2. The perimeter of the large rectangle is
48cm3. The area of the large rectangle is 24cm2
Which statements are true?
Well done if you got it right
Only statement 1 is true.
The large rectangle measures 8cm by 4cm so its perimeter is 24cm and its area is 32cm2
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This shape is made from 6 rectangles, each measuring 3cm by 5cm and a red
rectangle
Check
Statements1. The perimeter of the red rectangle is 18cm2. The area of the red rectangle is 14cm2 3. Less than 10% of the whole shape is red.
Which statements are true?
Well done if you got it right
Statements 1 & 2 are true.
Statement 3 is not accurate. Over 13% is red.
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Check
Statements1. The area of the trapezium is 15cm2
2. BC is 7 cm3. The perimeter of the trapezium is 18cm
D
B
C
AABCD is a trapezium.AB = AD = 3cmDC = 7cmBAD = ADC = 90o
3cm
7cm
3cm
Which statements are true?
Did you get it right?
Statements 1 & 3 are true
Statement 2 is false.
You need to use Pythagoras’ Theorem to find the length of BC.
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Statements1. Angle ABC = 70o
2. Perimeter of the rhombus = 40 cm3. Area of rhombus = 96cm2
D
B
C
AABCD is a rhombus
Diagonal AC = 12cmDiagonal DB = 16cm
Angle BAC = 55oE
55o
Which statements are true?
All 3 statements are true.
The diagonals of a rhombus bisect each other at right angles so you can use Pythagoras’ Theorem to
calculate the length of a side.
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Algebra
Foundation
Higher
Add two touching bricks to obtain the expression in the brick above them.
Check
7x
13x
6x x
Statements1. 7x + 6x = 13x2. 6x + x = 7x3. The value of x must be
5
?
100
Which statements are true?
All 3 statements are true
20x = 100
x = 5
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Add two touching bricks to obtain the expression in the brick above them.
Check
3x + 7
4x + 2
x - 5 5x + 3
Statements1. (3x + 7) + (x – 5) = 4x
+ 2 2. (x – 5) + (5x + 3) = 6x
+ 2 3. The value of x must be
6
?
60
Which statements are true?
Was it easy?
Statements 1 & 3 are true.
Statement 2 is not true because (x – 5) + (5x + 3) =
6x - 2
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This is a 12m by 10m rectangular garden. On two sides is a path of x metres width. The remaining two thirds of the garden is grass.
Check
x m
x m
10 m
12 mStatements
1. x < 102. x 2 - 22x + 40 = 03. The width of the path is 2 cm
Which statements are true?
Did you get it right?
Statements 1 & 2 are true.
Statement 3 is not true because the width is 2 metres
(not cm)
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This is a 12m by 10m rectangular garden. A path of width y metres surrounds a lawn at the centre of the garden.
Check
y m
8 m
12 m
Statements1. The area of the path is 64 cm2
2. The area of the path is 44y cm2
3. y < 2
y m
The area of the path is twice the area of the lawn.
Which statements are true?
Only statement 1 is true.
The area of the path is
8y 2 – 80y + 192
so y = 2
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Triangles
Foundation
Higher
15 m
ABC is a right angled triangle
Check
B
Statements1. You can use
Pythagoras’ Theorem to find AC
2. AC2 = 152 + 82
3. AC =289 m
8 m
A
C
Which statements are true?
Statements 1 & 2 are true.
Statement 3 is false.
AC2 = 289
AC = √289 = 17 m
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12 feet
A 13-foot ladder leans against a 12-foot wall so that the top of the ladder just reaches the top of the wall.
Check
13 feetStatements
1. You can use Pythagoras’ Theorem to find x.
2. x2 = 122 + 132
3. The value of x is 5
A bottom of the ladder is x feet from the base of the wall.
x feet
Which statements are true?
Choose a new starter
Statements 1 & 3 are true.
Statement 2 is false.
The correct equation is 132 = 122 + x 2
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Check
13 feet
Statements1. Tan Θ = 12/132. Tan Θ = 2.43. The value of Θ is 67.3o
to 1 decimal place
A ladder makes an angle of Θ with the ground.
A 13-foot ladder leans against a 12-foot wall so that the top of the ladder just reaches the top of the wall.
12 feet
Θ
Which statements are true?
Only statement 2 is true.
Statement 1 is false because
Sin Θ = 12/13
Statement 3 is false because
Θ is 67.4o to 1 d.p.
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Statements1. tan 12o = 75/x2. 75cm = 7.5 m3. x = 3.53 to 3 s.f.
A wheel chair ramp rises by 75 cm. The angle of the ramp is 12o. The length of the ramp is x metres.
75cm12o
x m
Which statements are true?
Only statement 3 is true.
75 cm = 0.75 m
So tan 12o = 0.75/x
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Statistics
Foundation
Higher
Check
Age in years Frequency
7 2
891011
3475
This table shows the ages of children in a club.
Statements1. The mode is 7 years2. The median is 9 years3. The mean is 45 ÷ 21
Which statements are true?
None are trueThe mode is the most common age = 10 years
The median is the middle age in order (11th out of 21)
Median = 10 years.Sum of the ages = 14 + 24 + 36 + 70 + 55
So the mean is 199 ÷ 21 = 9.48
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Age in years Frequency
0 < x ≤ 20 3
20 < x ≤ 4040 < x ≤ 6060 < x ≤ 80
80 < x ≤ 100
9463
This table shows the ages of people in a village.
Statements1.The ages of 25 people are recorded 2. The modal class is 20 < x ≤ 403. The best estimate for the median is 50
Which statements are true?
Statements 1 & 2 are true.
Statement 3 is not true.
The median value is the first of
the 4 values in the 40 < x ≤ 60 interval.
So 45 is a better estimate.
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This table shows the number of books read by a class of pupils during a Charity Readathon
Check
Number of books
Frequency
5 13
6789
9431
Statements1.Altogether there were 30 pupils2.Altogether, they read 35 books3. Mean = 6 books
Which statements are true?
Try another
Statements 1 & 3 are true.
Statement 2 is not true.
The pupils read 180 books altogether
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This table shows the ages of people who live in a village.
Check
Number of books
Frequency
Age in years Frequency
0 < x ≤ 20 3
20 < x ≤ 4040 < x ≤ 6060 < x ≤ 70
70 < x ≤ 100
9463Statements
1.A good estimate for the mean is 45 years2.The most densely populated class is 20 < x ≤ 403.On a histogram the relative frequency for the interval 60 < x ≤ 70 would be 0.6
Which statements are true?
Statements 1 & 3 are true.
Statement 2 is not true.
20 < x ≤ 40 is the most populated
but not the most densely populated
(relative frequency is 0.45)
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Probability
Foundation
Higher
Check
Statements1. Probability that the lights are red or amber = 0.362. Probability that they are green = 0.553. Probability that they are not red = 0.75
The probability the lights are
red is 0.35
Each day the school bus passes a set of traffic lights.
Which statements are true?
The probability the lights are amber is 0.1
Statements 1 is not true
( 0.35 + 0.1 = 0.45)
Statement 2 is true
prob(green) = 1 – 0.45
Statement 3 is not true.
prob (not red) = 1 – prob (red) = 0.65
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Statements1.The probability of picking a blue ball from bag A is 0.32.You are more likely to pick a blue from bag B than bag A 3.You are more likely to pick green from bag A than bag B
Bag A Bag B
A ball is picked at random from each bag
Which statements are true?
Statements 1 is true.
Statement 2 is not true
(probabilities are 0.3 and 0.25)
Statement 3 is not true.
(probabilities are 0.6 and 0.625)
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The probability
that the first lights are red is
0.3
Statements1. The first set of lights are more likely to be
green than the second set.2. The probability that both lights are red is 0.63. The probability that only one set is red is 0.38
The probability
that the second lights
are red is 0.2
Each day the school bus passes two sets of traffic lights.
Which statements are true?
Statements 1 & 2 are not true.
Prob (RR) = 0.2 x 0.3 = 0.06
Statement 3 is true.
prob (one red) = prob (GR) + prob (RG)
= (0.7 x 0.2) + (0.3 x 0.8)
= 0.14 + 0.24 = 0.38
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Statements1.The probability of picking at least one yellow = 0.652.The probability that both are yellow = 0.13.If the ball from bag A is put into bag B before a ball ball is taken from bag B then the probability that the ball from bag B is yellow = 0.28
Bag A Bag B
Two balls are picked at random – one ball from each bag
Which statements are true?
Statement 1 is not true.
Prob (one yellow) = p(yy’) + p(y’y)
= (0.4 x 0.75) + (0.6 x 0.25) = 0.45
Statements 2 & 3 are true.
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Solids
Foundation
Higher
Check
This box has a 4 cm by 5 cm rectangular baseand a height of 3 cm
4cm
Statements1. The area of the top is 20 cm2
2. The area of the front face is 15 cm2
3. The total surface area is 47 cm2
Which statements are true?
5cm
3cm
Statements 1 & 2 are true
but statement 3 is not true because
total surface area is 94cm2
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Each of these boxes has a 4cm by 5 cm rectangular baseThe green box has a height of 3cmThe blue box has a height of h cm
hcm3cm
4cm4cm5cm5cm
Statements1. Volume of the green box is 60 cm3
2. Volume of the blue box is 20h cm3
3. If the volume of the blue box is 76 cm3 then its height is 3.8 cm
Which statements are true?
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All three statements are true.
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8cm
Check
C
AB
D
E
9cm
12cm
This is a right-angled triangular prism
Statements1.Area of cross section is 108 cm2
2.Volume = 864 cm3
3.Total surface area = 396 cm2
F
Which statements are true?
Choose a new question
Only statement 3 is true
Statements 1& 2 is not true.
The area of the cross-section is
½ x 9 x 12 = 54 cm2
and so the Volume is 432 cm3
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12 m
Check
C
AB
D
E
8cm
9cm
This is a right-angled triangular prism
Statements1.Journey A → F → E → D = 29cm 2.Journey A → F → D = 23cm3.Journey A → B → E = 29cm
F
Which statements are true?
Journeys between two points are made along the shortest paths
Choose a new question
They are all true.
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Graphs
Foundation
Higher
Check
y
x
A
B
Statements1.B = (-2, -1)2.The mid point of line AB = (1, 1)3.AB = √52 units
A = (4, 3)
Which statements are true?
Choose a new starter.
All three statements are true.
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y
x
R
T
Statements1.PQ is parallel to TS2.PQST is a rhombus3.Angle RTS is a right angle
P = (1, 3)
Which statements are true?
S
P
Q
Statements 1 & 3 are true
Statement 2 is not true. The shape is a parallelogram
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Check
y
x
A
B
Statements1.Gradient of AB is 12.Equation of line AB is y = x + 13.Length AB = 5√10 units
A = (-2, 3)
Which statements are true?
None of the statements are true.
The gradient of the line is -1
Hence, the equation of the line is
y = -x + 1 or x + y = 1
AB = √50 units = 5√2 units
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y
x
Statements1.A = (-2,0)2.Equation of line BC is y = 83.Equation of line through C perpendicular to AB is y = 14 - 2x
The equation of line AB is
y = ½x + 2
Which statements are true?
A
B
C
Statements 1 & 2 are not true
A = (-4, 0)
The equation of BC is x = 8
Statement 3 is true.
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Bearings
Foundation
Higher
Check
NorthNorth
Islandlighthouse
Port
A positions of a Port, a lighthouse and an island are shown on this map.
The Island is on a bearing of 045o from the Port.
45o
Statements1.The Island is East of the lighthouse.2.The Island is North-East of the Port3.The Port is South-East of the Island
Which statements are true?
Only statements 1 & 2 are true.
Statement 3 is false because the Port is South-West of the Island
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NorthNorth
Islandlighthouse
Port
16 km34 km
A boat leaves the Port and sails 16km North, goes round a lighthouse and sails East to the Island.
The island is 34km from the Port on a bearing of 062o
62o
Statements1.The Island is 30km from the lighthouse2.The bearing of the Island from the lighthouse is 090o
3.The bearing of the Port from the Island is 242o
Which statements are true?
All three statements are true.
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NorthNorthHarbour
Buoy
Port
30 km
A boat leaves the Port at Noon, sails 30km North, goes round a Buoy and sails to the Harbour on a bearing of 080o.
The Harbour is on a bearing of 060o from the Port.
The average speed of the boat is 20 km/hr
60o
Statements1.The bearing of the Buoy from the Harbour is 260o
2.The Harbour is 86.4 km from the Port (3sf)3.The Boat arrives at the Harbour at 17:18
80o
Which statements are true?
All three statements are true.
You need to use the Sine Rule
for this question.
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NorthNorth
Wreck
Reef
Port
20 km
The Reef is 20km North of the Port.The wreck is 30 km from the reef on a bearing of 120o
Statements1.The Wreck is 26.5km from the Port (to 3sf)2.The bearing of the Wreck from the Port is 079o to the nearest degree3.The area of sea within the triangle is 260 km2 (3sf)
120o
Which statements are true?
30 km
All three statements are true.
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