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Cornerstone · Grades 3–5 Keystones #1 1 May 2023
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Keystones — Cornerstone

Five GCSE retrieval questions · 1 May 2023 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: x7 × x7

    Answer: x14
  2. 2. Algebra

    What is the next term? 7, 21, 63, 189, ...

    Answer: 567
  3. 3. Geometry

    Calculate the area of a circle with diameter 8cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 24:16

    Answer: 3:2
  5. 5. Statistics

    Find the range of: 18, 32, 35, 39, 26

    Answer: 21

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