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Lintel · Grades 5–7 Keystones #1 6 July 2021
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Keystones — Lintel

Five GCSE retrieval questions · 6 July 2021 · mathsvault.uk/keystones

  1. 1. Number

    Find the total of 264, 137, and 140

    Answer: 541
  2. 2. Algebra

    Solve: x3 = 12.333333333333

    Answer: x = 37
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 42cm. Find the angle

    Answer: 55.2°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 24, 5, 38, 24, 16, 15, 15, 28

    Answer: 20.6