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Capstone · Grades 7–9 Keystones #1 19 August 2021
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Keystones — Capstone

Five GCSE retrieval questions · 19 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 120. What are the numbers?

    Answer: 39, 40, and 41
  2. 2. Algebra

    Solve: x4 = 8.5

    Answer: x = 34
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 35cm. Find the angle

    Answer: 31°
  4. 4. Ratio

    Calculate 36.4% of 497

    Answer: 180.91
  5. 5. Statistics

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

    Answer: 13