Number worksheet — GCSE Foundation

1.Write down the symbol that makes this statement true: −2/3 ___ −5/6

2.A tin of paint has a mass of 5.672 kg. Round this mass to 1 decimal place.

3.A country's population is 8,340,000, and it is estimated that 1,950,000 of them live in the capital city. By rounding each number to 1 significant figure, work out an estimate for the number of people who do not live in the capital city.

4.Work out the value of √64.

5.A supermarket sells apples at £1.85 per kg. Anna buys 3.6 kg of apples. Estimate the cost by rounding each number to 1 significant figure before multiplying. Work out Anna's estimate.

6.A recipe uses 160 g of flour. Sam wants to increase the amount by 1/4. Work out the new amount of flour.

7.Find the missing number: 17 × ▢ = 391

8.Work out (−2)² − 3

9.Work out the value of √49 + ∛27

10.Oliver uses his calculator to work out 25% of 80 and writes down 320. Without using a calculator, work out the correct value of 25% of 80.

11.Work out 2/3 × 3/4 exactly, giving your answer in its simplest form.

12.Work out 3π − π, giving your answer as a multiple of π.

13.Write 12 as a product of its prime factors.

14.The number 24 can be written as 2³ × 3, and the number 60 can be written as 2² × 3 × 5. Work out the lowest common multiple of 24 and 60.

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