Number worksheet — GCSE Foundation

1.Light travels at 3 × 10⁸ metres per second. Work out how far light travels in 2 × 10⁻⁶ seconds. Give your answer in standard form.

2.Work out 5/6 × 2/9, giving your answer in its simplest form.

3.Write 0.005 in standard form.

4.A jug holds 1.8 litres of juice. Priya pours out 3/4 of a litre to fill a glass. Work out how much juice is left in the jug, in millilitres.

5.Simplify 3² ÷ 3⁵, giving your answer as a single power of 3.

6.The population of a planet is 8 × 10⁹. Write this population as an ordinary number.

7.In a fruit basket the ratio of bananas to oranges is 2 : 5. What fraction of the fruit are oranges?

8.Grace works out 7 × 99 by writing 99 as 100 − 1. Use her method to work out 7 × 99.

9.Write these numbers in order, starting with the largest: 7/8, 0.8, 78%, 17/20

10.Work out (−2)² − 3

11.Write 260,000 in standard form.

12.Work out 3³ + 2⁴.

13.Work out 15% of £40, using 10% and 5%.

14.A gardener has 42 tulip bulbs and 56 daffodil bulbs. She plants them in rows, with every row containing the same number of tulip bulbs and the same number of daffodil bulbs, and no bulbs left over. Work out the greatest number of rows she can plant.

15.Write down the value of 3⁰