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Bedrock · Grades 1–3 Keystones #1 21 December 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 21 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 30 + 66

    Answer: 30 + 66 = 96
  2. 2. Algebra

    Solve: x + 13 = 16

    Answer: x = 3
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 12:28

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 16, 2, 2, 6

    Answer: 6.5

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