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

Five GCSE retrieval questions · 9 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: x6 = 2.8333333333333

    Answer: x = 17
  3. 3. Geometry

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

    Answer: 43°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 25