Printable · GCSE Foundation · ages 14-16
Standard form worksheet — GCSE Foundation
Fifteen questions on "standard form" — DfE statement N9. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.
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Standard form worksheet — GCSE Foundation
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- 1.A company sells 4 × 10³ items per day, each priced at £2.50. It operates for 3 × 10² days a year. Work out the company's total revenue for the year. Give your answer in standard form.
- 2.The diameter of an artificial silk fibre is 4 × 10⁻⁶ metres. One nanometre is 10⁻⁹ metres. Work out the diameter of the fibre in nanometres.
- 3.Work out (2 × 10³) × (3 × 10⁴). Give your answer in standard form.
- 4.Write 0.0038 in standard form.
- 5.A space probe is 7.5 × 10⁸ km from Earth. Write this distance as an ordinary number.
- 6.Write 0.00072 in standard form.
- 7.A grain of fine sand has a mass of 0.001 grams. Write this mass in standard form.
- 8.Work out (4 × 10⁻³) × (2 × 10⁵). Give your answer in standard form.
- 9.A country has an area of 25,000,000 hectares. Write this area in standard form.
- 10.Light travels at 3 × 10⁸ metres per second. Work out how far light travels in 2 × 10⁻⁶ seconds. Give your answer in standard form.
- 11.The population of a planet is 8 × 10⁹. Write this population as an ordinary number.
- 12.3.4 × 10⁵ is written as an ordinary number. Work out this number.
- 13.Last year a company made a profit of £5,200,000. Write this amount in standard form.
- 14.Which of these is written correctly in standard form?
- 15.Write 45,000 in standard form.
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