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Cornerstone · Grades 3–5 Keystones #160 9 June 2026 Skills week 3 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 June 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Calculate: 29 × 5

    Answer: 109
  2. 2. Algebra Expanding single brackets

    Expand: 6(x + 9)

    Answer: 6x + 54
  3. 3. Geometry Pythagoras — short side

    Find b if a = 13cm and c = 23cm

    Answer: 18.97cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 2:1. If the difference is 44, what does A get?

    Answer: 88
  5. 5. Statistics Range

    Find the range of: 41, 33, 40, 16, 22

    Answer: 25