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Cornerstone · Grades 3–5 Keystones #286 13 October 2026 Skills week 7 of 7
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Five GCSE retrieval questions · 13 October 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Calculate: 1⁄8 ÷ 5

    Answer: 1⁄40
  2. 2. Algebra Two-step inequalities

    Solve: 4x + 6 < 46

    Answer: x < 10
  3. 3. Geometry Area of a right-angled triangle

    Calculate the area of a right triangle with perpendicular sides 15cm and 9cm

    Answer: 67.5cm²
  4. 4. Ratio Unitary method

    7 kg costs £43.90. What is the cost of 14 kg?

    Answer: £87.80
  5. 5. Statistics Mode

    Find the mode of: 10, 14, 9, 14, 14, 7

    Answer: 14

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