Maths

Question 1

How do you show a translation?

Answer 1

(4) Left or right
(3) Up or down

Question 2

How do you work out the area of a similar shape?

Answer 2

Square the multiplier between lengths

Question 3

How do you work out the volume of a similar shape?

Answer 3

Cube the multiplier between lengths

Question 4

Sum of interior angles

Answer 4

Number of angles in polygon - 2 x 180
Divide answer by number of angles.

Question 5

Directly proportionate

Answer 5

A & B
A & KB

Question 6

Inversely proportionate

Answer 6

A & 1/B
A = C/B

Question 7

Perpendicular lines

Answer 7

Change the sign and flip the fraction

Question 8

Gradient of a straight line

Answer 8

y2 - y1
x2 - x1

Question 9

Pressure

Answer 9

Force / Area

Question 10

Upper bound

Answer 10

Upper bound / lower bound

Question 11

Lower bound

Answer 11

Lower bound / Upper bound

Question 12

Metres to centimetres

Answer 12

Multiply by 100

Question 13

Centimetres to millimetres

Answer 13

Multiply by 10

Question 14

Tonne to kilograms

Answer 14

Multiply by 1000

Question 15

Litres to millilitres

Answer 15

Multiply by 1000

Question 16

What side is between the right angle and the other angle?

Answer 16

Adjacent

Question 17

What side has only the right angle next to it?

Answer 17

Opposite

Question 18

What is the formula for volume of a cylinder?

Answer 18

π r² h

Question 19

What is the formula for volume of a cone?

Answer 19

1/3π r² h

Question 20

What is the exact value of:
sin 0
sin30
sin45
sin60
sin90

Answer 20

0
1/2
√2/2
√3/2
1

Question 21

What is the exact value of:
cos 0
cos 30
cos 45
cos 60
cos 90

Answer 21

1
√3/2
√2/2
1/2
0

Question 22

What is the exact value of:
tan 0
tan 30
tan 45
tan 60
tan 90

Answer 22

0
√3/3
1
√3
There isn’t one

Question 23

Area of a sector

Answer 23

degree
x pie x radius^2
360

Question 24

Arc length

Answer 24

Semicircle:
1/2 x pie x diameter
Half a semicircle:
1/4 x pie x diameter

Question 25

Perimeter of a sector

Answer 25

Semicircle: 1/2 x pie x diameter + diameter Half a semicircle: 1/4 x pie x diameter + diameter

Question 26

Area of a triangular prism

Answer 26

1/2 x base x height

Question 27

Volume of a triangular prism

Answer 27

Area x Length

Question 28

How do you work out the nth term of quadratic sequences?

Answer 28

a + b +c 3a + b 2a

Question 29

How do you work out an inverse function?

Answer 29

Rearrange it

Question 30

Cosine rule equation

Answer 30

b^2 + c^2 - 2xbxcxcosA

Question 31

How do you rearrange the cosine rule equation to find the angle?

Answer 31

b^2 + c^2 - a^2 2bc cos^-1 (ans)

Question 32

Equation for circumference of a circle

Answer 32

2πr