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Capstone · Grades 7–9 Keystones #1 14 April 2023
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Keystones — Capstone

Five GCSE retrieval questions · 14 April 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 34 + 12 + 24

    Answer: 74
  2. 2. Algebra

    Solve: x6 = 5.3333333333333

    Answer: x = 32
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 40cm. Find the angle

    Answer: 60°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 50, 38, 29, 29, 20, what is the missing number?

    Answer: 50