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Capstone · Grades 7–9 Keystones #1 29 February 2024
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Keystones — Capstone

Five GCSE retrieval questions · 29 February 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 13 + 16

    Answer: 11
  2. 2. Algebra

    Solve: x4 = 8.25

    Answer: x = 33
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 28cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 38. If 4 of them are 46, 37, 35, 29, what is the missing number?

    Answer: 43