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Capstone · Grades 7–9 Keystones #1 8 February 2025
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Keystones — Capstone

Five GCSE retrieval questions · 8 February 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 129. What are the numbers?

    Answer: 42, 43, and 44
  2. 2. Algebra

    Solve: x⁄8 = 2.625

    Answer: x = 21
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 27cm. Find the angle

    Answer: 51°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 6 blue and 6 green sections. Probability of landing on red?

    Answer: 1⁄4

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