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Capstone · Grades 7–9 Keystones #1 5 October 2022
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Keystones — Capstone

Five GCSE retrieval questions · 5 October 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 24 + 12 + 12

    Answer: 32
  2. 2. Algebra

    Solve: x5 = 7.2

    Answer: x = 36
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 35cm. Find the angle

    Answer: 46.7°
  4. 4. Ratio

    Calculate 47.8% of 209

    Answer: 99.9
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 48, 33, 20, 32, what is the missing number?

    Answer: 37