Printable · GCSE Higher · ages 14-16
Number worksheet — GCSE Higher
Fifteen questions across the number statements at Higher tier. Choose the non-calculator filter to rehearse Paper 1, which counts for a third of the marks.
Non-calculator
Number worksheet — GCSE Higher
MathsUKwww.geekhero.co.uk
- 1.A square petri dish has an area of 121 mm². A scientist wants to know its side length. Work out the side length of the dish.
- 2.Two lighthouses flash at the start of the same minute. The first lighthouse flashes every 8 minutes and the second flashes every 12 minutes. Work out how many minutes it will be until they next flash together.
- 3.A spreadsheet shows that 812 − 397 = 315. Work out an estimate for 812 − 397, by rounding each number to the nearest 100, to check whether the spreadsheet's answer is reasonable.
- 4.Jack buys 3 books, each costing £4.25, and pays with a £20 note. Work out how much change he receives.
- 5.Hannah works out 3.1 × 19.6 on her calculator and writes down 6.076. Work out an estimate for 3.1 × 19.6, by rounding each number to 1 significant figure.
- 6.Write 0.06 as a fraction in its simplest form.
- 7.Without using a calculator, estimate the value of √70 × ∛65, giving your answer to 1 significant figure.
- 8.Work out √25 + 4² − 12 ÷ 3
- 9.Work out ∛(−27) + ∛8
- 10.A garden path is measured by Jon as 12 m, correct to the nearest metre, and by Mia as 12.6 m, correct to the nearest 0.1 m. Which statement about the two measurements is correct?
- 11.Work out 3 + 4 × (−2).
- 12.Work out 3.7 × 24.
- 13.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.
- 14.Last year a company made a profit of £5,200,000. Write this amount in standard form.
- 15.A florist has 60 red roses and 84 white roses. She wants to make identical bunches using all the flowers, with the greatest possible number of bunches. Work out how many red roses will be in each bunch.
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