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Bedrock · Grades 1–3 Keystones #1 2 November 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 2 November 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 27 + 47

    Answer: 67
  2. 2. Algebra

    Solve: x + 6 = 21

    Answer: x = 15
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 14cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 6:21

    Answer: 2:7
  5. 5. Statistics

    Find the mean of: 16, 12, 15, 11, 14

    Answer: 13.6