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Capstone · Grades 7–9 Keystones #1 10 December 2024
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Keystones — Capstone

Five GCSE retrieval questions · 10 December 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 12 + 25

    Answer: 75
  2. 2. Algebra

    Solve: x5 = 7.6

    Answer: x = 38
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 28cm. Find the angle

    Answer: 52.6°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 27, 37, 36, 49, what is the missing number?

    Answer: 11