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Lintel · Grades 5–7 Keystones #1 30 May 2025
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Keystones — Lintel

Five GCSE retrieval questions · 30 May 2025 · mathsvault.uk/keystones

  1. 1. Number

    Add: 15 + 14

    Answer: 920
  2. 2. Algebra

    Solve: x4 = 4

    Answer: x = 16
  3. 3. Geometry

    Opposite = 18cm, adjacent = 17cm. Calculate the angle

    Answer: 46.6°
  4. 4. Ratio

    Simplify: 20:20:8

    Answer: 5:5:2
  5. 5. Statistics

    A bag has 7 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 12