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Capstone · Grades 7–9 Keystones #1 21 December 2021
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Keystones — Capstone

Five GCSE retrieval questions · 21 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 14 + 15

    Answer: 1920
  2. 2. Algebra

    Find the next term: 1, 2, 4, 7, ...

    Answer: 11
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 37cm. Find the angle

    Answer: 60.9°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 27. If 4 of them are 22, 28, 17, 45, what is the missing number?

    Answer: 23