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Capstone · Grades 7–9 Keystones #1 20 January 2023
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Keystones — Capstone

Five GCSE retrieval questions · 20 January 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 26 + 23 + 35

    Answer: 85
  2. 2. Algebra

    Simplify: 6x - 2x + 4y - y

    Answer: 4x + 3y
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 33cm. Find the angle

    Answer: 64.9°
  4. 4. Ratio

    Calculate 29.4% of 791

    Answer: 232.55
  5. 5. Statistics

    The mean of 4 numbers is 22. If 3 of them are 20, 40, 28, what is the missing number?

    Answer: 0