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Capstone · Grades 7–9 Keystones #1 16 May 2023
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Keystones — Capstone

Five GCSE retrieval questions · 16 May 2023 · 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 = 2.2857142857143

    Answer: x = 16
  3. 3. Geometry

    Find the distance between (-8, -2) and (11, 6)

    Answer: 20.62
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 3 blue and 4 green sections. Probability of landing on red?

    Answer: 411