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Cornerstone · Grades 3–5 Keystones #285 12 October 2026 Skills week 7 of 7
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Five GCSE retrieval questions · 12 October 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Divide: 1⁄7 ÷ 3⁄4

    Answer: 4⁄21
  2. 2. Algebra Two-step inequalities

    Solve: 2x - 5 > 29

    Answer: x > 17
  3. 3. Geometry Area of a right-angled triangle

    Find the area of a right triangle with base 9cm and height 12cm

    Answer: 54cm²
  4. 4. Ratio Unitary method

    9 kg costs £33.20. What is the cost of 25 kg?

    Answer: £92.22
  5. 5. Statistics Mode

    What are the modes of: 12, 12, 20, 32, 32, 29

    Answer: 12 and 32

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