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Cornerstone · Grades 3–5 Keystones #1 6 November 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 November 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 39 + 88

    Answer: 39 + 88 = 127
  2. 2. Algebra

    Solve: x + 6 = 20

    Answer: x = 14
  3. 3. Geometry

    Calculate the distance between (8, 8) and (11, 12)

    Answer: 5
  4. 4. Ratio

    Simplify the ratio 30:40

    Answer: 3:4
  5. 5. Statistics

    What is the probability of rolling a 1 on a fair die?

    Answer: 16