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Capstone · Grades 7–9 Keystones #1 7 September 2021
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Keystones — Capstone

Five GCSE retrieval questions · 7 September 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 34 + 35 + 56

    Answer: 13160
  2. 2. Algebra

    Solve: x5 = 2.4

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 36cm. Find the angle

    Answer: 60°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 31. If 3 of them are 22, 23, 39, what is the missing number?

    Answer: 40