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Bedrock · Grades 1–3 Keystones #1 18 September 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 18 September 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 2⁄8 + 3⁄8

    Answer: 5⁄8
  2. 2. Algebra

    Solve: x + 10 = 29

    Answer: x = 19
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Calculate 10% of 124

    Answer: 12.4
  5. 5. Statistics

    Find the range of: 12, 23, 24, 33, 6

    Answer: 27

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