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Capstone · Grades 7–9 Keystones #1 13 July 2021
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Keystones — Capstone

Five GCSE retrieval questions · 13 July 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 26 + 13 + 12

    Answer: 76
  2. 2. Algebra

    Solve: x5 = 2.2

    Answer: x = 11
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 34cm. Find the angle

    Answer: 40.1°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 33. If 3 of them are 29, 46, 35, what is the missing number?

    Answer: 22