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Capstone · Grades 7–9 Keystones #1 23 March 2025
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Keystones — Capstone

Five GCSE retrieval questions · 23 March 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 46 + 24

    Answer: 32
  2. 2. Algebra

    Solve: x4 = 5

    Answer: x = 20
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 34cm. Find the angle

    Answer: 34.6°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 39, 23, 47, 39, what is the missing number?

    Answer: -3