Number worksheet — GCSE Foundation

1.Work out 8% of £250.

2.Work out 5⁰ + 5¹ + 5²

3.Work out how many factors 100 has.

4.A circle has a radius of 3 cm. Which of these is the exact area of the circle?

5.A cheetah runs at a steady speed of 25 metres per second. Work out this speed in kilometres per hour.

6.A school orders 187 packed lunches for a trip. Each packed lunch costs £4.85. The school has £900 to spend. By rounding each number to 1 significant figure, work out an estimate for the total cost and decide whether £900 is enough.

7.Work out ⁴√81

8.A circle has a diameter of 10 cm. Work out the exact circumference of the circle, in terms of π.

9.Work out 3 + 4 × (−2).

10.A café buys 18 boxes of teabags at £3.45 each, and sells all the teabags for £108 in total. Work out the café's profit.

11.A café is planning its lunch menu. It will offer one soup from 3 choices and one sandwich from 4 choices, but the mushroom soup, one of the 3 soups, will only be served with the cheese sandwich, one of the 4 sandwiches, on a normal day. Work out how many different soup-and-sandwich combinations are available on a normal day.

12.A charity bake sale sells 187 cakes at £2.95 each. By rounding each number to 1 significant figure, work out an estimate for the total amount raised.

13.n is a whole number and 2 ≤ n < 6. Write down all the possible values of n.

14.A paint mix is made from white paint and blue paint in the ratio 5 : 3. Priya uses 1.2 litres of blue paint and the matching amount of white paint. Work out the total volume of the mix.

15.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.