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Cornerstone · Grades 3–5 Keystones #213 1 August 2026 Skills week 3 of 7
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Five GCSE retrieval questions · 1 August 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying fractions

    Multiply: 2⁄8 × 2⁄3

    Answer: 1⁄6
  2. 2. Algebra Expanding single brackets

    Expand: 2(2x + 4)

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

    Find b if a = 11cm and c = 15cm

    Answer: 10.2cm
  4. 4. Ratio Ratio given the difference

    A and B share in ratio 3:2. If the difference is 56, what does A get?

    Answer: 168
  5. 5. Statistics Range

    Calculate the range of: 47, 63, 63, 36, 68, 58

    Answer: 32

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