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.
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.A red blood cell has a diameter of about 7 × 10⁻⁶ metres. A virus has a diameter about 100 times smaller. Work out the diameter of the virus. Give your answer in standard form.
- 3.A company's turnover is 5.6 × 10⁷ pounds, spread evenly across 3.5 × 10² shops. Work out the average turnover per shop, in standard form.
- 4.Which of these is written correctly in standard form?
- 5.A charity raises 8 × 10⁶ pounds. This total is shared equally among 2 × 10² local projects. Work out how much each project receives, in standard form.
- 6.A space probe is 7.5 × 10⁸ km from Earth. Write this distance as an ordinary number.
- 7.A photograph uses 4 × 10⁶ bytes of storage. A memory card holds 3.2 × 10¹⁰ bytes. Work out how many of these photographs the card can hold. Give your answer in standard form.
- 8.Work out (2 × 10³) × (3 × 10⁴). Give your answer in standard form.
- 9.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.
- 10.Write 0.00072 in standard form.
- 11.Work out (5 × 10⁴) ÷ (2 × 10⁻²). Give your answer in standard form.
- 12.Work out (3 × 10²) × (2 × 10⁵). Give your answer in standard form.
- 13.Last year a company made a profit of £5,200,000. Write this amount in standard form.
- 14.The distance from the Earth to the Moon is 384,000 km. Write this distance in standard form, in kilometres.
- 15.A country has an area of 25,000,000 hectares. Write this area in standard form.
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