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Bedrock · Grades 1–3 Keystones #131 11 May 2026
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Keystones — Bedrock

Five GCSE retrieval questions · 11 May 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 4⁄9 + 2⁄9

    Answer: 2⁄3
  2. 2. Algebra

    Find the next term: 15, 23, 31, 39, ...

    Answer: 47
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 5.8cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 8:16

    Answer: 1:2
  5. 5. Statistics

    What is the probability of getting heads when flipping a fair coin?

    Answer: 1⁄2

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