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Capstone · Grades 7–9 Keystones #48 2 August 2026
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Keystones — Capstone

Five GCSE retrieval questions · 2 August 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Solve: x5 = 1.2

    Answer: x = 6
  3. 3. Geometry

    A right triangle has hypotenuse 5cm and one side 3cm. Find its area

    Answer: 6cm²
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 516