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Bedrock · Grades 1–3 Keystones #1 22 April 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 22 April 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 15 + 15

    Answer: 25
  2. 2. Algebra

    Find the midpoint of (7, 5) and (16, 18)

    Answer: (11.5, 11.5)
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

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

    Simplify the ratio 30:35

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 14, 14, 4, 18, 18

    Answer: 13.6