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Bedrock · Grades 1–3 Keystones #151 31 May 2026
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Keystones — Bedrock

Five GCSE retrieval questions · 31 May 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 2⁄5 + 2⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Simplify: 3x + 7x

    Answer: 10x
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 15.6cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 20:16

    Answer: 5:4
  5. 5. Statistics

    Find the range of: 28, 10, 10, 25, 10

    Answer: 18

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