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Capstone · Grades 7–9 Keystones #1 29 June 2021
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Keystones — Capstone

Five GCSE retrieval questions · 29 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Solve: x7 = 2.1428571428571

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 26cm. Find the angle

    Answer: 62.5°
  4. 4. Ratio

    Calculate 22.8% of 830

    Answer: 189.24
  5. 5. Statistics

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

    Answer: 617