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Bedrock · Grades 1–3 Keystones #1 4 April 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 4 April 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 93 + 27

    Answer: 93 + 27 = 120
  2. 2. Algebra

    Simplify: 3x + 2x

    Answer: 5x
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 14.cm. Find the angle

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

    Simplify the ratio 15:21

    Answer: 5:7
  5. 5. Statistics

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

    Answer: 1⁄2

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