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Lintel · Grades 5–7 Keystones #1 31 July 2025
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Keystones — Lintel

Five GCSE retrieval questions · 31 July 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

    Find the next term: 1, 4, 10, 19, ...

    Answer: 31
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 6cm

    Answer: 12.53cm
  4. 4. Ratio

    Find 65% of 129

    Answer: 83.85
  5. 5. Statistics

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

    Answer: 3⁄13

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