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Capstone · Grades 7–9 Keystones #1 7 April 2021
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Keystones — Capstone

Five GCSE retrieval questions · 7 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 120. What are the numbers?

    Answer: 39, 40, and 41
  2. 2. Algebra

    Solve: x4 = 7.5

    Answer: x = 30
  3. 3. Geometry

    Find the distance between (-3, -4) and (9, 5)

    Answer: 15
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 411