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Capstone · Grades 7–9 Keystones #1 25 August 2021
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Keystones — Capstone

Five GCSE retrieval questions · 25 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Solve: x2 = 13.5

    Answer: x = 27
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 38cm. Find the angle

    Answer: 61.7°
  4. 4. Ratio

    Calculate 40.9% of 961

    Answer: 393.05
  5. 5. Statistics

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

    Answer: 413