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Cornerstone · Grades 3–5 Keystones #273 30 September 2026 Skills week 5 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 30 September 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: 24 × 25

    Answer: 29
  2. 2. Algebra Unknowns on both sides

    Solve: 4x + 2 = 3x + 11

    Answer: x = 9
  3. 3. Geometry Converting mixed metric units

    Convert 7186ml to litres

    Answer: 7.186 litres
  4. 4. Ratio Mixed ratio problems

    Express the first part of 2:4 as a fraction in simplest form

    Answer: 1⁄3
  5. 5. Statistics Expected frequency

    A die is rolled 66 times. How many times would you expect to get a 6?

    Answer: 11

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