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Lintel · Grades 5–7 Keystones #25 10 July 2026
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Keystones — Lintel

Five GCSE retrieval questions · 10 July 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 655 + 254

    Answer: 655 + 254 = 909
  2. 2. Algebra

    Solve: 2x = 12

    Answer: x = 6
  3. 3. Geometry

    Opposite = 15cm, adjacent = 20cm. Calculate the angle

    Answer: 36.9°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 23