Number worksheet — GCSE Foundation

1.Work out 3 + 4 × 2²

2.Work out 3 × (−2)² − 5

3.Work out an estimate for 89 + 52, by rounding each number to the nearest 10.

4.In a class, 1/3 of the pupils are girls. There are 12 girls in the class. Work out how many pupils are in the class.

5.Work out 4368 ÷ 12.

6.Write down the symbol that makes this statement true: 0.45 ___ 0.5

7.A plumber charges a call-out fee of £45 and then £28 for each hour she works. She is at a house from 09:15 until 12:45. Work out the total charge.

8.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.

9.Work out 36 ÷ (2 × 3)

10.Work out 3/4 − 5/12 exactly, giving your answer in its simplest form.

11.A number is multiplied by 4, then 8 is added, giving the result 40. Work out the number.

12.3/5 of a 5/6 litre bottle of juice is poured out. Work out the exact volume poured out, in litres.

13.Write down the symbol that makes this statement true: −9 ___ −4

14.A cinema has 21 rows of seats with 29 seats in each row. Work out an estimate for the number of people the cinema can hold, by rounding each number to 1 significant figure.

15.A number, x, is truncated (not rounded) to 1 decimal place and the result is 6.2. Write down the error interval for x.