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Capstone · Grades 7–9 Keystones #1 26 July 2023
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Keystones — Capstone

Five GCSE retrieval questions · 26 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 123. What are the numbers?

    Answer: 40, 41, and 42
  2. 2. Algebra

    Solve: x2 = 18.5

    Answer: x = 37
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 48cm. Find the angle

    Answer: 51.3°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 415