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Bedrock · Grades 1–3 Keystones #1 28 November 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 28 November 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 8⁄10 + 1⁄10

    Answer: 9⁄10
  2. 2. Algebra

    Simplify: 4x + 4x

    Answer: 8x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 30cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 14:12

    Answer: 7:6
  5. 5. Statistics

    Find the mean of: 10, 8, 12, 17

    Answer: 11.75

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