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Lintel · Grades 5–7 Keystones #1 29 November 2024
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Keystones — Lintel

Five GCSE retrieval questions · 29 November 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 45 + 36 + 36

    Answer: 95
  2. 2. Algebra

    Solve: 7x = 105

    Answer: x = 15
  3. 3. Geometry

    Find c if a = 17cm and b = 15cm in a right triangle

    Answer: 22.7cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: -26, 37, -15, 38, -23

    Answer: 64