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Cornerstone · Grades 3–5 Keystones #177 26 June 2026 Skills week 5 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 26 June 2026 · mathsvault.uk/keystones

  1. 1. Number Index law — multiplication

    Simplify: x3 × x4

    Answer: x7
  2. 2. Algebra Unknowns on both sides

    Solve: 6x + 9 = 5x + 14

    Answer: x = 5
  3. 3. Geometry Converting mixed metric units

    Convert 6 litres to ml

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

    Divide 136 in the ratio 3:2:3

    Answer: 51, 34 and 51
  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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