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Lintel · Grades 5–7 Keystones #1 17 October 2025
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Keystones — Lintel

Five GCSE retrieval questions · 17 October 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 114. What are the numbers?

    Answer: 37, 38, and 39
  2. 2. Algebra

    Solve: x4 = 6.25

    Answer: x = 25
  3. 3. Geometry

    Opposite = 9cm, adjacent = 12cm. Calculate the angle

    Answer: 36.9°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 3 blue and 5 green sections. Probability of landing on red?

    Answer: 37