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Capstone · Grades 7–9 Keystones #1 21 October 2024
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Keystones — Capstone

Five GCSE retrieval questions · 21 October 2024 · 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: x7 = 3.5714285714286

    Answer: x = 25
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 24cm. Find the angle

    Answer: 57.2°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 517