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Cornerstone · Grades 3–5 Keystones #127 7 May 2026 Skills week 5 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 7 May 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: x3 × x7

    Answer: x10
  2. 2. Algebra Unknowns on both sides

    Solve: 8x - 8 = 3x + 12

    Answer: x = 4
  3. 3. Geometry Converting mixed metric units

    Convert 6kg to g

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

    Simplify the ratio 30:20

    Answer: 3:2
  5. 5. Statistics Expected frequency

    A die is rolled 54 times. How many times would you expect to get a 6?

    Answer: 9

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