Number worksheet — GCSE Foundation

1.Josh buys 7 pencils at 85p each. He pays with a £10 note. Work out his change.

2.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.

3.Four locations each record a temperature one winter morning. Which of these temperatures is the coldest?

4.Work out 8% of £250.

5.A shop buys boxes of pens for £4 each. It sells each box on to a school for £3 more than it paid, and charges an extra £2 delivery fee for the whole order. A school orders 5 boxes. Work out the total cost of the order.

6.A restaurant adds a service charge of 15% to a bill of £120. Work out the service charge.

7.Which of these is written correctly in standard form?

8.A charity raffle sells 240 tickets at £1.85 each. 40% of the money raised is given to a local hospital. Work out how much money the hospital receives.

9.Write 260,000 in standard form.

10.A number, n, is equal to 3.7 when rounded to 1 decimal place. Write down the error interval for n.

11.A café offers sandwiches with one filling from 5 choices and one type of bread from 4 choices. Cheese and mustard, which is one of the 5 fillings, is not available on gluten-free bread, which is one of the 4 breads. Work out how many different sandwiches are possible.

12.A charity trek covers 830 miles over roughly 19 days. By rounding each number to 1 significant figure, work out an estimate for the number of miles walked per day.

13.Work out (5 × 10⁴) ÷ (2 × 10⁻²). Give your answer in standard form.

14.The density of a type of plastic is 0.9 g/cm³. Work out this density in kg/m³.

15.Which of these numbers rounds to 0.048 when rounded to 2 significant figures?