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Cornerstone · Grades 3–5 Keystones #159 8 June 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 8 June 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Multiply: 1⁄6 × 1⁄7

    Answer: 1⁄42
  2. 2. Algebra Expanding single brackets

    Expand: 3(4x + 8)

    Answer: 12x + 24
  3. 3. Geometry Pythagoras — short side

    In a right triangle, if c = 10cm and a = 6cm, find b

    Answer: 8cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 7:4. If the difference is 120, what does A get?

    Answer: 280
  5. 5. Statistics Range

    Calculate the range of: 63, 55, 41, 51, 24, 75

    Answer: 51

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