Number worksheet — GCSE Foundation

1.Work out the value of √(16 + 9)

2.Write 0.45 as a fraction in its simplest form.

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

4.A recipe uses 160 g of flour. Sam wants to increase the amount by 1/4. Work out the new amount of flour.

5.Work out (5 + 2) × 3²

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

7.A rectangular patio measures 90 cm by 120 cm. Ben wants to cover it exactly with identical square tiles, as large as possible, with no tiles cut. Work out the side length of the largest square tile he can use.

8.Round 3.947 to 2 decimal places.

9.A charity shop buys a coat for £24 and sells it for a profit that is 3/8 of the buying price. Work out the selling price.

10.Work out the highest common factor of 15 and 25.

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

12.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.

13.The length of a nail is 12 cm, correct to the nearest centimetre. Using L for the length of the nail in centimetres, write down the error interval for L.

14.A recipe for one cake needs 2/3 of a cup of sugar. Priya has 3 1/2 cups of sugar. Work out how many complete cakes she can make.

15.Light travels at 2.998 × 10⁸ metres per second. A distant object in space is 3.1 × 10¹⁵ metres from Earth. Work out an estimate for the number of seconds light takes to travel from the object to Earth, by rounding each number to 1 significant figure.