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Capstone · Grades 7–9 Keystones #1 15 November 2022
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Keystones — Capstone

Five GCSE retrieval questions · 15 November 2022 · 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: x2 = 4.5

    Answer: x = 9
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 34cm. Find the angle

    Answer: 51.9°
  4. 4. Ratio

    Calculate 33.5% of 900

    Answer: 301.5
  5. 5. Statistics

    A spinner has 3 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 314