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Cornerstone · Grades 3–5 Keystones #308 4 November 2026 Skills week 3 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 4 November 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 6⁄7 × 6

    Answer: 36⁄7
  2. 2. Algebra Expanding single brackets

    Expand: 7(x + 6)

    Answer: 7x + 42
  3. 3. Geometry Pythagoras — short side

    Find b if a = 14cm and c = 25cm

    Answer: 20.71cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 8:7. If the difference is 36, what does A get?

    Answer: 288
  5. 5. Statistics Range

    Find the range of: 24, 27, 29, 19, 34

    Answer: 15