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Capstone · Grades 7–9 Keystones #1 5 September 2024
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Keystones — Capstone

Five GCSE retrieval questions · 5 September 2024 · mathsvault.uk/keystones

  1. 1. Number

    If x2 = 9, what is x?

    Answer: 3
  2. 2. Algebra

    Solve: x3 = 12

    Answer: x = 36
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 36cm. Find the angle

    Answer: 63.6°
  4. 4. Ratio

    Calculate 49% of 564

    Answer: 276.36
  5. 5. Statistics

    The mean of 6 numbers is 37. If 5 of them are 22, 15, 45, 40, 27, what is the missing number?

    Answer: 73