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Cornerstone · Grades 3–5 Keystones #1 27 September 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 27 September 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 47 + 27

    Answer: 67
  2. 2. Algebra

    Solve: 8x = 40

    Answer: x = 5
  3. 3. Geometry

    Calculate the area of a circle with diameter 16cm

    Answer: 201.06cm²
  4. 4. Ratio

    Calculate 50% of 101

    Answer: 50.5
  5. 5. Statistics

    Calculate the range of: 68, 46, 72, 38, 72, 68

    Answer: 34