Write 810,000,000 in standard form

Factorise: x² + 4x - 5

Hypotenuse = 23cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places

Red, blue and green counters are in the ratio 9:7:6. What fraction of the counters are green?

Calculate the mean of: 41, 43, 21, 5, 8, 50, 20, 18

Write 0.07 in standard form

Factorise: x² + 19x + 90

Adjacent = 12cm, angle = 51°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio £5 : 45p

The mean of 6 numbers is 34. If 5 of them are 35, 36, 30, 28, 41, what is the missing number?

Write 61,000,000 in standard form

Factorise: x² - 19x + 88

Hypotenuse = 40cm, angle = 36°. Find adjacent side. Give your answer to 2 decimal places

In ratio 2:8:2, what fraction is the second part?

The mean of 5 numbers is 35. If 4 of them are 50, 17, 24, 26, what is the missing number?

Write 0.00052 in standard form

Factorise: x² + 3x - 28

Adjacent = 18cm, angle = 36°. Find opposite. Give your answer to 2 decimal places

Orange, purple and pink counters are in the ratio 1:1:11. What fraction of the counters are orange?

Calculate the mean of: 36, 26, 49, 21, 24, 23. Give your answer to 2 decimal places

Write 0.00028 in standard form

Factorise: x² - 3x - 18

Adjacent = 17cm, angle = 46°. Find opposite. Give your answer to 2 decimal places

Divide 75 in the ratio 2:1:2

The mean of 4 numbers is 30. If 3 of them are 21, 30, 43, what is the missing number?