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Bedrock · Grades 1–3 Keystones #1 20 October 2024
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Keystones — Bedrock

Five GCSE retrieval questions · 20 October 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 812 + 212

    Answer: 56
  2. 2. Algebra

    Solve: x + 11 = 25

    Answer: x = 14
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 18, 2, 3

    Answer: 7.6666666666667