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Lintel · Grades 5–7 Keystones #1 11 August 2025
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Keystones — Lintel

Five GCSE retrieval questions · 11 August 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 12 + 23

    Answer: 53
  2. 2. Algebra

    Solve: x8 = 4.25

    Answer: x = 34
  3. 3. Geometry

    Opposite = 16cm, adjacent = 16cm. Calculate the angle

    Answer: 45°
  4. 4. Ratio

    Simplify: 12:9:12

    Answer: 4:3:4
  5. 5. Statistics

    A bag has 5 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 513