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Capstone · Grades 7–9 Keystones #1 29 June 2023
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Keystones — Capstone

Five GCSE retrieval questions · 29 June 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: x3 = 10.666666666667

    Answer: x = 32
  3. 3. Geometry

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

    Answer: 64.3°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 6 blue and 2 green sections. Probability of landing on red?

    Answer: 13