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Capstone · Grades 7–9 Keystones #1 16 April 2021
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Keystones — Capstone

Five GCSE retrieval questions · 16 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 147. What are the numbers?

    Answer: 48, 49, and 50
  2. 2. Algebra

    Solve: x8 = 1.875

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 31cm. Find the angle

    Answer: 65.2°
  4. 4. Ratio

    Calculate 10.4% of 740

    Answer: 76.96
  5. 5. Statistics

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

    Answer: 415