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Cornerstone · Grades 3–5 Keystones #1 18 July 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 18 July 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 48 + 28

    Answer: 34
  2. 2. Algebra

    Expand: 8(x + 5)

    Answer: 8x + 40
  3. 3. Geometry

    Calculate the area of a circle with diameter 17cm

    Answer: 226.98cm²
  4. 4. Ratio

    Simplify the ratio 15:35

    Answer: 3:7
  5. 5. Statistics

    Find the range of: 15, 29, 14, 18, 26

    Answer: 15