Number worksheet — GCSE Foundation

1.In a box of chocolates 5/8 are milk chocolates and the rest are dark chocolates. Work out the number of dark chocolates as a fraction of the number of milk chocolates.

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

3.Work out the value of √64.

4.A café offers 3 types of soup and 4 types of bread roll. Work out how many different combinations of one soup and one bread roll are possible.

5.Work out 2 3/4 − 1 5/6. Give your answer as a fraction in its simplest form.

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

7.Work out (2/3)² + (1/2)². Give your answer as a fraction.

8.Work out 3/8 of 96.

9.Work out 2/5 + 1/4, giving your answer in its simplest form.

10.Write down the value of 7⁰

11.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.

12.The number 72 can be written as 2³ × 3², and the number 108 can be written as 2² × 3³. Work out the highest common factor of 72 and 108.

13.Work out an estimate for 79.3 − 24.6, by rounding each number to the nearest whole number.

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

15.Work out −4.5 + 2.8.