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Capstone · Grades 7–9 Keystones #1 5 February 2025
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Keystones — Capstone

Five GCSE retrieval questions · 5 February 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 35 + 12 + 46

    Answer: 5330
  2. 2. Algebra

    Solve: x8 = 2.75

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 29cm. Find the angle

    Answer: 63.4°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 34. If 5 of them are 42, 38, 35, 35, 41, what is the missing number?

    Answer: 13