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Lintel · Grades 5–7 Keystones #1 23 September 2021
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Keystones — Lintel

Five GCSE retrieval questions · 23 September 2021 · mathsvault.uk/keystones

  1. 1. Number

    Find the total of 132, 177, and 64

    Answer: 373
  2. 2. Algebra

    Solve: x4 = 4.75

    Answer: x = 19
  3. 3. Geometry

    Find c if a = 15cm and b = 14cm in a right triangle

    Answer: 20.5cm
  4. 4. Ratio

    Calculate 35.1% of 506

    Answer: 177.61
  5. 5. Statistics

    Find the range of: -26, 29, -11, 48, -4

    Answer: 74