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Lintel · Grades 5–7 Keystones #1 27 October 2025
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Keystones — Lintel

Five GCSE retrieval questions · 27 October 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 15 + 15 + 13

    Answer: 1115
  2. 2. Algebra

    Solve: 4x = 28

    Answer: x = 7
  3. 3. Geometry

    Opposite = 12cm, adjacent = 16cm. Calculate the angle

    Answer: 36.9°
  4. 4. Ratio

    Find 48% of 272

    Answer: 130.56
  5. 5. Statistics

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

    Answer: 513