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Bedrock · Grades 1–3 Keystones #17 17 January 2026
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Keystones — Bedrock

Five GCSE retrieval questions · 17 January 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 10⁄12 + 1⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Find the next term: 17, 23, 29, 35, ...

    Answer: 41
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Simplify the ratio 15:30

    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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