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Cornerstone · Grades 3–5 Keystones #1 26 June 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 26 June 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 93 + 31

    Answer: 93 + 31 = 124
  2. 2. Algebra

    Solve: x + 7 = 13

    Answer: x = 6
  3. 3. Geometry

    Find the perimeter of a right triangle with sides 5cm and 12cm

    Answer: 30cm
  4. 4. Ratio

    Simplify the ratio 24:9

    Answer: 8:3
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 16