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Cornerstone · Grades 3–5 Keystones #214 2 August 2026 Skills week 3 of 7
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Keystones — Cornerstone

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

  1. 1. Number Multiplying fractions

    Calculate: 7⁄9 × 4

    Answer: 28⁄9
  2. 2. Algebra Expanding single brackets

    Expand: 5(6x + 9)

    Answer: 30x + 45
  3. 3. Geometry Pythagoras — short side

    Find b if a = 9cm and c = 16cm

    Answer: 13.23cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 7:2. If the difference is 145, what does A get?

    Answer: 203
  5. 5. Statistics Range

    Calculate the range of: 26, 38, 44, 86, 54, 86

    Answer: 60

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