Number worksheet — GCSE Foundation

1.Chloe wants to work out 3 1/4 − 1 2/3. She converts both mixed numbers to twelfths, then subtracts the whole numbers and the fraction parts separately, without checking whether she needs to exchange first. Work out the correct value of 3 1/4 − 1 2/3, giving your answer as a mixed number in its simplest form.

2.A shop buys boxes of pens for £4 each. It sells each box on to a school for £3 more than it paid, and charges an extra £2 delivery fee for the whole order. A school orders 5 boxes. Work out the total cost of the order.

3.Work out an estimate for 37 × 84, by rounding each number to 1 significant figure.

4.Is 120 divisible by 5? Give a reason for your answer.

5.Estimate the value of √45, giving your answer to the nearest whole number.

7.Round 24,681 to the nearest 1,000.

8.Work out (5 + 2) × 3²

9.Work out 2/5 of 45.

10.An allotment plot is divided into vegetables and flowers in the ratio 9 : 4. A third of the vegetable section is used for potatoes. What fraction of the whole plot is potatoes?

11.Work out (3 × 10²) × (2 × 10⁵). Give your answer in standard form.

12.Which of these decimals lies between 1/4 and 2/5?

13.Priya has 24 red beads and 36 blue beads. She makes identical bracelets, using every bead and with none left over. Work out the greatest number of bracelets she can make.

14.Write down the reciprocal of 5/8

15.Write 0.0038 in standard form.