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Cornerstone · Grades 3–5 Keystones #124 4 May 2026 Skills week 5 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 4 May 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: 92 × 92

    Answer: 94
  2. 2. Algebra Unknowns on both sides

    Solve: 7x - 8 = 4x + -2

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

    Convert 4km to m

    Answer: 4000m
  4. 4. Ratio Mixed ratio problems

    Simplify the ratio 12:9

    Answer: 4:3
  5. 5. Statistics Expected frequency

    A die is rolled 36 times. How many times would you expect to get a 6?

    Answer: 6