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Capstone · Grades 7–9 Keystones #1 21 February 2023
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Keystones — Capstone

Five GCSE retrieval questions · 21 February 2023 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 99. What are the numbers?

    Answer: 32, 33, and 34
  2. 2. Algebra

    Solve: x8 = 3.625

    Answer: x = 29
  3. 3. Geometry

    Find the distance between (-5, 0) and (8, 11)

    Answer: 17.03
  4. 4. Ratio

    Calculate 38.5% of 655

    Answer: 252.18
  5. 5. Statistics

    A spinner has 5 red, 6 blue and 3 green sections. Probability of landing on red?

    Answer: 514