Calculate: 4 + (-1)

Find the next term: 12, 20, 28, 36, ...

Find the area of a circle with radius 7cm

Simplify the ratio 14:16

Find the mean of: 5, 18, 11, 18

Calculate: 7.3 + 9.6

Simplify: 5x + 6x

Opposite = 7cm, hypotenuse = 9.9cm. Find the angle

Simplify the ratio 10:15

Find the range of: 32, 20, 10, 31, 18

Calculate: 82 + 89

Find the next term: 16, 20, 24, 28, ...

Opposite = 7cm, hypotenuse = 9.9cm. Find the angle

Simplify the ratio 10:40

Find the mean of: 4, 10, 15, 2

Calculate: 31 + 28

Factorise: 15x + 21

Opposite = 13cm, hypotenuse = 26cm. Find the angle

Calculate 25% of 72

Find the range of: 29, 10, 22, 24, 30

Round 100 to the nearest 10

Factorise: 18x + 9

Opposite = 7cm, hypotenuse = 9.9cm. Find the angle

Calculate 10% of 195

Find the mean of: 10, 4, 12, 2