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Cornerstone · Grades 3–5 Keystones #61 2 March 2026 Skills week 3 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 March 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 111 × 4

    Answer: 411
  2. 2. Algebra Expanding single brackets

    Expand: 3(x + 6)

    Answer: 3x + 18
  3. 3. Geometry Pythagoras — short side

    Find b if a = 5cm and c = 14cm

    Answer: 13.08cm
  4. 4. Ratio Ratio given the difference

    In ratio 5:3, the difference between shares is 26. What are the shares?

    Answer: 65 and 39
  5. 5. Statistics Range

    Find the range of: 25, 19, 28, 30, 27

    Answer: 11