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Capstone · Grades 7–9 Keystones #1 7 August 2021
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Keystones — Capstone

Five GCSE retrieval questions · 7 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 34 + 45 + 35

    Answer: 4320
  2. 2. Algebra

    Solve: x7 = 3.2857142857143

    Answer: x = 23
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 27cm. Find the angle

    Answer: 58.8°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 20. If 4 of them are 33, 21, 26, 43, what is the missing number?

    Answer: -23