Number worksheet — GCSE Foundation

1.In a fruit basket the ratio of bananas to oranges is 2 : 5. What fraction of the fruit are oranges?

2.Work out the lowest common multiple of 4 and 6.

3.Round 3.947 to 2 decimal places.

4.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.

5.Round 0.006482 to 2 significant figures.

6.A vending machine sells 4 types of crisps, 5 types of chocolate bar and 2 types of drink. Work out how many different combinations of one crisp packet, one chocolate bar and one drink can be bought.

7.Work out the highest common factor of 12 and 18.

8.Work out an estimate for 6.4 × 3.9, by rounding each number to the nearest whole number.

9.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.

10.2/3 of an amount of money is £30. Work out the amount.

11.Work out (−6) + (−4) × 3

12.Write 0.0038 in standard form.

13.Simplify x⁶ ÷ x²

14.The attendance at a football match is 23,000, correct to the nearest thousand. Which of these attendances is not possible for the match?

15.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.