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Capstone · Grades 7–9 Keystones #1 20 January 2022
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Keystones — Capstone

Five GCSE retrieval questions · 20 January 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 16 + 15 + 26

    Answer: 710
  2. 2. Algebra

    Solve: x8 = 1.625

    Answer: x = 13
  3. 3. Geometry

    Find c if a = 15cm and b = 25cm in a right triangle

    Answer: 29.2cm
  4. 4. Ratio

    Calculate 24.4% of 688

    Answer: 167.87
  5. 5. Statistics

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

    Answer: 14