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Cornerstone · Grades 3–5 Keystones #310 6 November 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 6 November 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 2⁄9 × 8

    Answer: 16⁄9
  2. 2. Algebra Expanding single brackets

    Expand: 6(6x + 4)

    Answer: 36x + 24
  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 8:3. If the difference is 160, what does A get?

    Answer: 256
  5. 5. Statistics Range

    Calculate the range of: 57, 42, 39, 94, 27, 92

    Answer: 67

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