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Lintel · Grades 5–7 Keystones #1 31 July 2021
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Keystones — Lintel

Five GCSE retrieval questions · 31 July 2021 · mathsvault.uk/keystones

  1. 1. Number

    Find the total of 146, 113, and 74

    Answer: 333
  2. 2. Algebra

    Solve: 5x = 55

    Answer: x = 11
  3. 3. Geometry

    Find the distance between (-5, -2) and (9, 7)

    Answer: 16.64
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 7 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 12