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Capstone · Grades 7–9 Keystones #1 20 February 2023
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Keystones — Capstone

Five GCSE retrieval questions · 20 February 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 23 + 26 + 46

    Answer: 53
  2. 2. Algebra

    Solve: x8 = 1.875

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 22cm. Find the angle

    Answer: 53.8°
  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 26, 29, 27, what is the missing number?

    Answer: 50