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Cornerstone · Grades 3–5 Keystones #115 25 April 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 25 April 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 4⁄5 × 3

    Answer: 12⁄5
  2. 2. Algebra Expanding single brackets

    Expand: 3(6x + 3)

    Answer: 18x + 9
  3. 3. Geometry Pythagoras — short side

    Find b if a = 13cm and c = 25cm

    Answer: 21.35cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 8:7. If the difference is 15, what does A get?

    Answer: 120
  5. 5. Statistics Range

    Calculate the range of: 33, 59, 70, 38, 36, 54

    Answer: 37

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