Number worksheet — GCSE Foundation

1.A pizza is cut into 12 equal slices. Ben eats 5 slices and Mia eats 3 slices. What fraction of the pizza is left, giving your answer in its simplest form?

2.At a swimming pool the ratio of adults to children is 3 : 5. Of the children, 2/5 are boys. What fraction of the people at the pool are boys?

3.A weather app records the temperature at three points in one day: 6 °C at noon, −2 °C at midnight, and −7 °C just before dawn. Work out the difference between the highest and lowest of these three temperatures.

4.Write down the value of 3⁰

5.Work out an estimate for 397 ÷ 21, by rounding each number to 1 significant figure.

6.Two fair six-sided dice are rolled and their scores are added together. By listing the possible totals systematically, work out how many different totals are possible.

7.Work out 5 + 3 × (9 − 6)

8.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.

9.A measuring jug shows a volume of 340 ml, correct to the nearest 20 ml. Work out the smallest possible volume in the jug.

10.A space probe is 7.5 × 10⁸ km from Earth. Write this distance as an ordinary number.

11.A metal cube has a mass of 540 g and a volume of 60 cm³. Work out its density in g/cm³.

12.In a car park the ratio of vans to cars is 2 : 7. Work out the number of vans as a fraction of the number of cars.

13.Work out (−2)² − 3

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

15.Work out 100 − 4 × 5²