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Cornerstone · Grades 3–5 Keystones #239 27 August 2026 Skills week 7 of 7
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Five GCSE retrieval questions · 27 August 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Calculate: 2⁄5 ÷ 4

    Answer: 1⁄10
  2. 2. Algebra Two-step inequalities

    Solve: 5x + 8 < 32

    Answer: x < 4.8
  3. 3. Geometry Area of a right-angled triangle

    Calculate the area of a right triangle with perpendicular sides 15cm and 8cm

    Answer: 60cm²
  4. 4. Ratio Unitary method

    5 kg costs £46.60. What is the cost of 15 kg?

    Answer: £139.80
  5. 5. Statistics Mode

    What are the modes of: 20, 23, 27, 34, 20, 34

    Answer: 20 and 34

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