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Lintel · Grades 5–7 Keystones #1 25 August 2021
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Keystones — Lintel

Five GCSE retrieval questions · 25 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 9.7 + 48.03 + 0.879

    Answer: 9.7 + 48.03 + 0.879 = 58.609
  2. 2. Algebra

    Solve: x5 = 2.4

    Answer: x = 12
  3. 3. Geometry

    Opposite = 12cm, adjacent = 13cm. Calculate the angle

    Answer: 42.7°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: -25, 20, -7, -4, 15

    Answer: 45