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Cornerstone · Grades 3–5 Keystones #211 30 July 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 30 July 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Multiply: 5⁄5 × 5⁄8

    Answer: 5⁄8
  2. 2. Algebra Expanding single brackets

    Expand: 3(6x + 4)

    Answer: 18x + 12
  3. 3. Geometry Pythagoras — short side

    In a right triangle, if c = 5cm and a = 3cm, find b

    Answer: 4cm
  4. 4. Ratio Ratio given the difference

    In ratio 4:1, the difference between shares is 75. What are the shares?

    Answer: 100 and 25
  5. 5. Statistics Range

    Calculate the range of: 26, 38, 76, 28, 63, 79

    Answer: 53

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