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Capstone · Grades 7–9 Keystones #1 24 January 2022
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Keystones — Capstone

Five GCSE retrieval questions · 24 January 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: x4 = 8.25

    Answer: x = 33
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 39cm. Find the angle

    Answer: 48.2°
  4. 4. Ratio

    Calculate 36.4% of 213

    Answer: 77.53
  5. 5. Statistics

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

    Answer: 35