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Cornerstone · Grades 3–5 Keystones #116 26 April 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 26 April 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Multiply: 4⁄4 × 5⁄3

    Answer: 5⁄3
  2. 2. Algebra Expanding single brackets

    Expand: 3(4x + 9)

    Answer: 12x + 27
  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

    A and B share in ratio 5:1. If the difference is 112, what does A get?

    Answer: 140
  5. 5. Statistics Range

    Calculate the range of: 32, 83, 55, 36, 66, 85

    Answer: 53

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