Number worksheet — GCSE Foundation

1.Write down the symbol that makes this statement true: 3/10 ___ 0.3

2.Work out 3 1/5 + 1 2/3. Give your answer as a mixed number in its simplest form.

3.Write the mixed number 2 1/4 as an improper fraction.

4.A sponsored walk raised £350 for charity. 20% of the money raised is spent on equipment. Work out how much is spent on equipment.

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

6.Write 0.005 in standard form.

7.A number is multiplied by 4, then 8 is added, giving the result 40. Work out the number.

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

9.Write 200 as a product of its prime factors, using index notation.

10.Write 0.06 as a fraction in its simplest form.

11.Work out 1 − 1/2 − 1/4 − 1/8 − 1/16. Give your answer as a fraction.

12.In the number 3.472, work out the value of the digit 7.

13.The number 24 can be written as 2³ × 3, and the number 60 can be written as 2² × 3 × 5. Work out the lowest common multiple of 24 and 60.

14.A length, L cm, has the error interval 24.5 ≤ L < 25.5. Write down the degree of accuracy to which the length was measured.

15.For any two whole numbers, the product of the numbers is equal to the product of their highest common factor and their lowest common multiple. The highest common factor of 6 and 8 is 2, and 6 × 8 = 48. Work out the lowest common multiple of 6 and 8.