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Cornerstone · Grades 3–5 Keystones #62 3 March 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 3 March 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Multiply: 5⁄5 × 4⁄8

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

    Expand: 4(3x + 5)

    Answer: 12x + 20
  3. 3. Geometry Pythagoras — short side

    Find b if a = 6cm and c = 13cm

    Answer: 11.53cm
  4. 4. Ratio Ratio given the difference

    In ratio 5:3, the difference between shares is 24. What are the shares?

    Answer: 60 and 36
  5. 5. Statistics Range

    Calculate the range of: 64, 78, 59, 81, 32, 80

    Answer: 49

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