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Lintel · Grades 5–7 Keystones #1 3 September 2025
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Keystones — Lintel

Five GCSE retrieval questions · 3 September 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 897 + 513

    Answer: 897 + 513 = 1410
  2. 2. Algebra

    Solve: 5x = 20

    Answer: x = 4
  3. 3. Geometry

    Opposite = 15cm, adjacent = 10cm. Calculate the angle

    Answer: 56.3°
  4. 4. Ratio

    Simplify: 15:12:18

    Answer: 5:4:6
  5. 5. Statistics

    A spinner has 3 red, 4 blue and 5 green sections. Probability of landing on red?

    Answer: 14