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 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.
- 2.Put these numbers in order, starting with the smallest: 3.2 × 10⁴, 2.9 × 10⁵, 4.1 × 10³
- 3.3.4 × 10⁵ is written as an ordinary number. Work out this number.
- 4.Work out (4 × 10³) × (3 × 10¹). Give your answer in standard form.
- 5.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.
- 6.Write 0.00072 in standard form.
- 7.Work out (2 × 10³) × (3 × 10⁴). Give your answer in standard form.
- 8.Work out (6 × 10⁷) + (3 × 10⁶). Give your answer in standard form.
- 9.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.
- 10.A country has an area of 25,000,000 hectares. Write this area in standard form.
- 11.Write 45,000 in standard form.
- 12.Work out (5 × 10⁴) ÷ (2 × 10⁻²). Give your answer in standard form.
- 13.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.
- 14.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.
- 15.Which of these is written correctly in standard form?
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