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Bedrock · Grades 1–3 Keystones #1 18 December 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 18 December 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 1⁄9 + 1⁄9

    Answer: 2⁄9
  2. 2. Algebra

    Simplify: 8x + 6x

    Answer: 14x
  3. 3. Geometry

    Find the area of a right triangle with base 10cm and height 5cm

    Answer: 25cm²
  4. 4. Ratio

    Simplify the ratio 12:8

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 18, 5, 11

    Answer: 11.333333333333

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