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

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

  1. 1. Number

    300000

    Answer: 3 × 105
  2. 2. Algebra

    Collect like terms: 8x + 7y + 6x + 6y

    Answer: 14x + 13y
  3. 3. Geometry

    Find the area of a right triangle with base 11cm and height 7cm

    Answer: 38.5cm²
  4. 4. Ratio

    Simplify the ratio 35:40

    Answer: 7:8
  5. 5. Statistics

    Find the range of: 22, 19, 11, 28, 11

    Answer: 17

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