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Lintel · Grades 5–7 Keystones #1 15 September 2021
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Keystones — Lintel

Five GCSE retrieval questions · 15 September 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 34 + 12 + 45

    Answer: 4120
  2. 2. Algebra

    Solve: x4 = 7.75

    Answer: x = 31
  3. 3. Geometry

    Opposite = 9cm, adjacent = 14cm. Calculate the angle

    Answer: 32.7°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 32, 27, 10, 13, 46, 47

    Answer: 29.2