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Cornerstone · Grades 3–5 Keystones #75 16 March 2026 Skills week 5 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 16 March 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: 44 × 44

    Answer: 48
  2. 2. Algebra Unknowns on both sides

    Solve: 9x - 7 = 2x + 7

    Answer: x = 2
  3. 3. Geometry Converting mixed metric units

    Convert 4.5kg to g

    Answer: 4500g
  4. 4. Ratio Mixed ratio problems

    In a ratio of 1:4, what fraction is the first part?

    Answer: 1⁄5
  5. 5. Statistics Expected frequency

    A die is rolled 30 times. How many times would you expect to get a 6?

    Answer: 5

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