Number worksheet — GCSE Foundation

1.A plane flies 2340 km at an average speed of 780 km/h. It departs at 08:20. Work out the arrival time, using the 24-hour clock.

2.Work out (−3) × 4 + 2 × (−5)

3.Work out 3 + 4 × (−2).

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

5.A photograph uses 4 × 10⁶ bytes of storage. A memory card holds 3.2 × 10¹⁰ bytes. Work out how many of these photographs the card can hold. Give your answer in standard form.

6.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.

7.Round 6.283 to 1 significant figure.

8.Given that 2⁵ = 32, work out 2⁶.

9.Write the fraction 47/50 as a decimal.

10.A sponsored walk is 36 km long. Aisha has completed 8/12 of the walk. Work out how far she has walked.

11.Two-digit numbers are formed using the digits 2, 5, 7 and 8, and each digit may be used only once in a number. Work out how many of these two-digit numbers are even.

12.Write down the symbol that makes this statement true: 6/11 ___ 4/11

13.Work out √225 ÷ 3.

14.A student always writes the digits after the decimal point over a denominator of 100, whatever the number of decimal places. Using this wrong rule, they convert 0.9 to a fraction. Work out the correct fraction that 0.9 is equal to, giving your answer in its simplest form.

15.The mass of a parcel is 3 kg, correct to the nearest kilogram. Which of these masses is not possible for the parcel?