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Lintel · Grades 5–7 Keystones #1 3 December 2021
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Keystones — Lintel

Five GCSE retrieval questions · 3 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 44 + ? = 168

    Answer: 124
  2. 2. Algebra

    Solve: 6x - 7 = 2x + 17

    Answer: x = 6
  3. 3. Geometry

    A circle has area 254.5cm². Find its radius (dp)

    Answer: 9cm
  4. 4. Ratio

    Find 22% of 277

    Answer: 60.94
  5. 5. Statistics

    Find the range of: 35, -22, -26, 35, -19

    Answer: 61