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Capstone · Grades 7–9 Keystones #1 30 May 2021
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Keystones — Capstone

Five GCSE retrieval questions · 30 May 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 147. What are the numbers?

    Answer: 48, 49, and 50
  2. 2. Algebra

    Solve: x2 = 17.5

    Answer: x = 35
  3. 3. Geometry

    Find the distance between (-4, -3) and (7, 7)

    Answer: 14.87
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 2 blue and 3 green sections. Probability of landing on red?

    Answer: 12