Number worksheet — GCSE Foundation

1.Which of these numbers is the largest: −9, −7, −4, −2?

2.A car manufacturer offers a car in 6 colours and 4 trim levels. Two colour-and-trim combinations are not available: red with sport trim, and white with sport trim. Work out how many different colour-and-trim combinations are available.

3.Which of these statements about −0.7 and −0.25 is true?

4.Work out (−3) × 4 + 10

5.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.

6.Write down the decimal that is equal to 3/5.

7.Work out 8% of £250.

8.A bus leaves the station at 09:47 and arrives at its destination at 11:23. Work out the journey time.

9.To estimate the cost of buying 38.7 m of rope at £21.40 per metre, both numbers are first rounded to 1 significant figure. Work out the estimate.

10.Work out 3 × (−2)² − 5

11.Work out 3.7 × 24.

12.Using only 20p coins and 10p coins, and at least one of each, work out how many different ways there are to make exactly 60p. List the possibilities systematically.

13.In a photo album the ratio of colour photos to black-and-white photos is 9 : 4. Work out the number of black-and-white photos as a fraction of the number of colour photos.

14.Two-digit numbers are made using the digits 1, 2, 3 and 4, and no digit may be used twice in the same number. Work out how many different two-digit numbers can be made.

15.Work out an estimate for 6.8 × 41, by rounding each number to 1 significant figure.