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Cornerstone · Grades 3–5 Keystones #64 5 March 2026 Skills week 3 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 5 March 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 28 × 6

    Answer: 32
  2. 2. Algebra Expanding single brackets

    Expand: 4(x + 2)

    Answer: 4x + 8
  3. 3. Geometry Pythagoras — short side

    Find b if a = 13cm and c = 17cm

    Answer: 10.95cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 5:3. If the difference is 48, what does A get?

    Answer: 120
  5. 5. Statistics Range

    Calculate the range of: 108, 77, 50, 91, 51, 74

    Answer: 58