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Cornerstone · Grades 3–5 Keystones #138 18 May 2026 Skills week 7 of 7
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Five GCSE retrieval questions · 18 May 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Divide: 3⁄7 ÷ 2⁄8

    Answer: 12⁄7
  2. 2. Algebra Two-step inequalities

    Solve: 4x + 3 < 38

    Answer: x < 8.8
  3. 3. Geometry Area of a right-angled triangle

    Find the area of a right triangle with base 5cm and height 7cm

    Answer: 17.5cm²
  4. 4. Ratio Unitary method

    If 7 items cost £63.00, how much do 9 items cost?

    Answer: £81.00
  5. 5. Statistics Mode

    Find the mode of: 10, 10, 9, 12, 10, 15

    Answer: 10

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