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

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

  1. 1. Number

    Calculate: 2⁄8 + 5⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Simplify: 6x + 7x

    Answer: 13x
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 15cm. Find the angle

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

    Simplify the ratio 24:15

    Answer: 8:5
  5. 5. Statistics

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

    Answer: 1⁄2

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