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Capstone · Grades 7–9 Keystones #1 18 October 2021
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Keystones — Capstone

Five GCSE retrieval questions · 18 October 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 90. What are the numbers?

    Answer: 29, 30, and 31
  2. 2. Algebra

    Solve: x5 = 5.2

    Answer: x = 26
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 26cm. Find the angle

    Answer: 43°
  4. 4. Ratio

    Calculate 14.8% of 880

    Answer: 130.24
  5. 5. Statistics

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

    Answer: 513