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Capstone · Grades 7–9 Keystones #1 15 December 2021
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Keystones — Capstone

Five GCSE retrieval questions · 15 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 36 + 15

    Answer: 3130
  2. 2. Algebra

    Solve: x2 = 16.5

    Answer: x = 33
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 37cm. Find the angle

    Answer: 62.6°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 32. If 5 of them are 28, 38, 44, 38, 27, what is the missing number?

    Answer: 17