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Cornerstone · Grades 3–5 Keystones #129 9 May 2026 Skills week 5 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 May 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: 93 × 94

    Answer: 97
  2. 2. Algebra Unknowns on both sides

    Solve: 6x + 2 = 2x + 26

    Answer: x = 6
  3. 3. Geometry Converting mixed metric units

    Convert 6m to mm

    Answer: 6000mm
  4. 4. Ratio Mixed ratio problems

    In a ratio of 4:2, what fraction is the first part?

    Answer: 4⁄6
  5. 5. Statistics Expected frequency

    A fair coin is flipped 192 times. How many heads would you expect?

    Answer: 96

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