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
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- 1.n is a whole number and 2 ≤ n < 6. Write down all the possible values of n.
- 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.Work out an estimate for 2.9² + 3.1², by rounding each number to the nearest whole number.
- 4.A cyclist travels 40 km, correct to the nearest 10 km, in a time of 3 hours, correct to the nearest hour. Work out the maximum possible average speed, in km/h.
- 5.A tank contains 120 litres of water. Water is drained out at a rate of 8 litres per minute for 6 minutes, and then a hose adds 15 litres. Work out how much water is left in the tank.
- 6.Without using a calculator, estimate the value of √70 × ∛65, giving your answer to 1 significant figure.
- 7.Four friends share a restaurant bill of £53.90 equally. A calculator gives each share as 13.475. Work out how much each friend should pay.
- 8.A plank has length a = 12 cm and a second plank has length b = 7 cm, each correct to the nearest centimetre. Work out the upper bound of a + b.
- 9.Which one of these statements is true?
- 10.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.
- 11.The density of a type of plastic is 0.9 g/cm³. Work out this density in kg/m³.
- 12.Four locations each record a temperature one winter morning. Which of these temperatures is the coldest?
- 13.Find the missing number: 17 × ▢ = 391
- 14.Priya has 24 red beads and 36 blue beads. She makes identical bracelets, using every bead and with none left over. Work out the greatest number of bracelets she can make.
- 15.A circle has a radius of 3 cm. Which of these is the exact area of the circle?
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