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Bedrock · Grades 1–3 Keystones #43 12 February 2026
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Keystones — Bedrock

Five GCSE retrieval questions · 12 February 2026 · mathsvault.uk/keystones

  1. 1. Number

    2000

    Answer: 2 × 103
  2. 2. Algebra

    Factorise: 20x + 10

    Answer: 5(4x + 2)
  3. 3. Geometry

    Find the area of a circle with radius 8cm

    Answer: 201.06cm²
  4. 4. Ratio

    Simplify the ratio 10:6

    Answer: 5:3
  5. 5. Statistics

    Find the mean of: 20, 7, 16, 11

    Answer: 13.5

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