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Lintel · Grades 5–7 Keystones #164 13 June 2026
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Keystones — Lintel

Five GCSE retrieval questions · 13 June 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Find the next term: 1, 2, 4, 7, ...

    Answer: 11
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 26cm. Find the angle

    Answer: 43°
  4. 4. Ratio

    Simplify: 9:6:12

    Answer: 3:2:4
  5. 5. Statistics

    A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 311