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Capstone · Grades 7–9 Keystones #1 27 February 2025
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Keystones — Capstone

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

  1. 1. Number

    The sum of three consecutive numbers is 111. What are the numbers?

    Answer: 36, 37, and 38
  2. 2. Algebra

    Solve: x3 = 9.3333333333333

    Answer: x = 28
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 26cm. Find the angle

    Answer: 39.7°
  4. 4. Ratio

    Calculate 47.8% of 586

    Answer: 280.11
  5. 5. Statistics

    A spinner has 3 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 38