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 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.
- 2.A country has an area of 25,000,000 hectares. Write this area in standard form.
- 3.Which of these is written correctly in standard form?
- 4.The population of a planet is 8 × 10⁹. Write this population as an ordinary number.
- 5.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.
- 6.Write 5,000,000 in standard form.
- 7.Write 0.0038 in standard form.
- 8.In standard form, 2,000 is written as 2 × 10ⁿ. Write down the value of n.
- 9.Last year a company made a profit of £5,200,000. Write this amount in standard form.
- 10.Put these numbers in order, starting with the smallest: 3.2 × 10⁴, 2.9 × 10⁵, 4.1 × 10³
- 11.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.
- 12.Write 0.005 in standard form.
- 13.The distance from the Earth to the Moon is 384,000 km. Write this distance in standard form, in kilometres.
- 14.A space probe is 7.5 × 10⁸ km from Earth. Write this distance as an ordinary number.
- 15.3.4 × 10⁵ is written as an ordinary number. Work out this number.
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