Number worksheet — GCSE Foundation

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

2.Round 4,685 to the nearest 100.

3.By listing systematically, work out how many two-digit multiples of 5 can be made using the digits 0, 3 and 5, if each digit can be used at most once and the number cannot start with 0.

4.Write these numbers in order, starting with the largest: −0.6, 0.45, −0.15, 0.5, −0.09

5.A concrete mix is made from cement and sand in the ratio 3 : 5 by mass. A builder mixes 96 kg of concrete. Work out the mass of cement in the mix.

6.Work out −6 × (−3).

7.Two fair six-sided dice are rolled together. One die is red and the other is blue. Work out how many different outcomes are possible.

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

9.A number, x, is truncated (not rounded) to 1 decimal place and the result is 6.2. Write down the error interval for x.

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

11.A weather app records the temperature at three points in one day: 6 °C at noon, −2 °C at midnight, and −7 °C just before dawn. Work out the difference between the highest and lowest of these three temperatures.

12.Work out √(4 × 9)

13.Which of these units would be most appropriate to use when stating the mass of a small car?

14.Tickets for a fairground ride are sold in packs of 6. Tokens for the dodgems are sold in packs of 10. Yusuf wants to buy the smallest number of packs of each so that he ends up with the same number of ride tickets as dodgem tokens. Work out how many ride tickets that is.

15.Work out 2⁵.