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Lintel · Grades 5–7 Keystones #1 2 October 2021
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Keystones — Lintel

Five GCSE retrieval questions · 2 October 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 15 + 24 + 12

    Answer: 65
  2. 2. Algebra

    Solve: 4x = 56

    Answer: x = 14
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 38cm. Find the angle

    Answer: 44.7°
  4. 4. Ratio

    Simplify: 4:8:8

    Answer: 1:2:2
  5. 5. Statistics

    Calculate the mean of: 34, 23, 12, 29, 37, 17, 10, 20

    Answer: 22.8