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Bedrock · Grades 1–3 Keystones #1 14 December 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 14 December 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 3⁄10 + 4⁄10

    Answer: 7⁄10
  2. 2. Algebra

    Simplify: 3x + 5x

    Answer: 8x
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 8.5cm. Find the angle

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

    Simplify the ratio 12:8

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 11, 19, 6, 2

    Answer: 9.5

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