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

Five GCSE retrieval questions · 7 December 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 16 + 23

    Answer: 76
  2. 2. Algebra

    Solve: x2 = 16.5

    Answer: x = 33
  3. 3. Geometry

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

    Answer: 62.5°
  4. 4. Ratio

    Calculate 14.9% of 339

    Answer: 50.51
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 40, 34, 43, 22, what is the missing number?

    Answer: 21