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Capstone · Grades 7–9 Keystones #1 26 October 2024
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Keystones — Capstone

Five GCSE retrieval questions · 26 October 2024 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 150. What are the numbers?

    Answer: 49, 50, and 51
  2. 2. Algebra

    Solve: x2 = 7.5

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 30cm. Find the angle

    Answer: 64.3°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 29