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.Write 0.00072 in standard form.
- 2.Last year a company made a profit of £5,200,000. Write this amount in standard form.
- 3.Write 5,000,000 in standard form.
- 4.3.4 × 10⁵ is written as an ordinary number. Work out this number.
- 5.Write 260,000 in standard form.
- 6.A space probe is 7.5 × 10⁸ km from Earth. Write this distance as an ordinary number.
- 7.In standard form, 2,000 is written as 2 × 10ⁿ. Write down the value of n.
- 8.A country has an area of 25,000,000 hectares. Write this area 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.A grain of fine sand has a mass of 0.001 grams. Write this mass in standard form.
- 11.Write 45,000 in standard form.
- 12.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.
- 13.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.
- 14.Put these numbers in order, starting with the smallest: 3.2 × 10⁴, 2.9 × 10⁵, 4.1 × 10³
- 15.Work out (4 × 10⁻³) × (2 × 10⁵). Give your answer in standard form.
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