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Lintel · Grades 5–7 Keystones #1 16 March 2022
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Keystones — Lintel

Five GCSE retrieval questions · 16 March 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 991 + 552

    Answer: 1543
  2. 2. Algebra

    Solve: x2 = 3.5

    Answer: x = 7
  3. 3. Geometry

    Find perimeter: adjacent = 24cm, angle = 30°

    Answer: 65.6cm
  4. 4. Ratio

    Simplify: 20:16:8

    Answer: 5:4:2
  5. 5. Statistics

    Calculate the mean of: 41, 10, 45, 13, 39, 9, 18

    Answer: 25