Printable · GCSE Foundation · ages 14-16
Rearranging formulae worksheet — GCSE Foundation
Fifteen questions on "rearranging formulae" — DfE statement A5. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.
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Rearranging formulae worksheet — GCSE Foundation
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- 1.A taxi fare, in pounds, for a journey of m miles is given by the formula F = 3 + 2.5m. A journey costs £15.50. Work out the distance travelled, m, by first rearranging the formula to make m the subject, then substituting F = 15.50.
- 2.The formula for the perimeter of a square is P = 4s, where s is the side length. Make s the subject of the formula.
- 3.A mobile phone tariff charges a fixed £15 plus 20p for every minute of calls made, so the total monthly charge, £C, for m minutes of calls is given by C = 15 + 0.2m. In a month where Ali's charge was £46.60, work out how many minutes of calls he made.
- 4.The formula connecting distance (d), speed (s) and time (t) is d = st. Make s the subject of the formula.
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