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Cornerstone · Grades 3–5 Keystones #67 8 March 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 8 March 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 2⁄6 × 7

    Answer: 7⁄3
  2. 2. Algebra Expanding single brackets

    Expand: 2(5x + 5)

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

    Find b if a = 6cm and c = 9cm

    Answer: 6.71cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 7:6. If the difference is 40, what does A get?

    Answer: 280
  5. 5. Statistics Range

    Find the range of: 46, 33, 39, 16, 36

    Answer: 30

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