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Bedrock · Grades 1–3 Keystones #1 20 July 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 20 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    900000

    Answer: 9 × 105
  2. 2. Algebra

    Solve: x + 4 = 23

    Answer: x = 19
  3. 3. Geometry

    Find the area of a circle with radius 10cm

    Answer: 314.16cm²
  4. 4. Ratio

    Simplify the ratio 20:30

    Answer: 2:3
  5. 5. Statistics

    Find the range of: 19, 18, 30, 24, 34

    Answer: 16