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

Five GCSE retrieval questions · 29 April 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: x6 = 3.8333333333333

    Answer: x = 23
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 27cm. Find the angle

    Answer: 35.4°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 6 blue and 3 green sections. Probability of landing on red?

    Answer: 413