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Capstone · Grades 7–9 Keystones #1 30 August 2022
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Keystones — Capstone

Five GCSE retrieval questions · 30 August 2022 · 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: x2 = 16.5

    Answer: x = 33
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 29cm. Find the angle

    Answer: 51.6°
  4. 4. Ratio

    Calculate 19% of 543

    Answer: 103.17
  5. 5. Statistics

    A spinner has 3 red, 2 blue and 4 green sections. Probability of landing on red?

    Answer: 13