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Lintel · Grades 5–7 Keystones #1 3 June 2021
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Keystones — Lintel

Five GCSE retrieval questions · 3 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Find the total of 116, 280, and 121

    Answer: 517
  2. 2. Algebra

    Solve: x7 = 2.1428571428571

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 32cm. Find the angle

    Answer: 35.7°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 39, 24, 17, 9, 9, 21, 12, 32

    Answer: 20.4