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Cornerstone · Grades 3–5 Keystones #1 22 April 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 22 April 2024 · mathsvault.uk/keystones

  1. 1. Number

    9400000

    Answer: 9.4 × 106
  2. 2. Algebra

    Collect like terms: 7x + 7y + 5x + 3y

    Answer: 12x + 10y
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    Simplify: 8:12:4

    Answer: 2:3:1
  5. 5. Statistics

    Calculate the mean of: 17, 38, 47, 15, 20, 15, 26, 47

    Answer: 28.1

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