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Capstone · Grades 7–9 Keystones #1 22 August 2023
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Keystones — Capstone

Five GCSE retrieval questions · 22 August 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

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Find c if a = 16cm and b = 13cm in a right triangle

    Answer: 20.6cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 4 blue and 6 green sections. Probability of landing on red?

    Answer: 3⁄13

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