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Cornerstone · Grades 3–5 Keystones #80 21 March 2026 Skills week 5 of 7
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Five GCSE retrieval questions · 21 March 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: 73 × 74

    Answer: 77
  2. 2. Algebra Unknowns on both sides

    Solve: 5x + 6 = 4x + 13

    Answer: x = 7
  3. 3. Geometry Converting mixed metric units

    Convert 10km to m

    Answer: 10000m
  4. 4. Ratio Mixed ratio problems

    Share 33 in the ratio 2:1

    Answer: 22 and 11
  5. 5. Statistics Expected frequency

    A die is rolled 24 times. How many times would you expect to get a 6?

    Answer: 4

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