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Cornerstone · Grades 3–5 Keystones #66 7 March 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 7 March 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 5⁄7 × 5

    Answer: 25⁄7
  2. 2. Algebra Expanding single brackets

    Expand: 5(3x + 2)

    Answer: 15x + 10
  3. 3. Geometry Pythagoras — short side

    Find b if a = 8cm and c = 11cm

    Answer: 7.55cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 5:2. If the difference is 75, what does A get?

    Answer: 125
  5. 5. Statistics Range

    Find the range of: 17, 14, 25, 25, 12

    Answer: 13

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