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Lintel · Grades 5–7 Keystones #1 18 April 2021
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Keystones — Lintel

Five GCSE retrieval questions · 18 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 65 + ? = 142

    Answer: 77
  2. 2. Algebra

    Solve: x8 = 2.75

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 44cm. Find the angle

    Answer: 50.5°
  4. 4. Ratio

    Calculate 19.9% of 251

    Answer: 49.95
  5. 5. Statistics

    Find the range of: -22, 41, 46, 24, 49

    Answer: 71