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Cornerstone · Grades 3–5 Keystones #193 12 July 2026 Skills week 7 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 12 July 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Divide: 24 ÷ 45

    Answer: 58
  2. 2. Algebra Two-step inequalities

    Solve: 3x + 9 < 38

    Answer: x < 9.7
  3. 3. Geometry Area of a right-angled triangle

    Calculate the area of a right triangle with perpendicular sides 14cm and 7cm

    Answer: 49cm²
  4. 4. Ratio Unitary method

    6 kg costs £45.60. What is the cost of 18 kg?

    Answer: £136.80
  5. 5. Statistics Mode

    Find the mode of: 9, 14, 5, 5, 5, 5

    Answer: 5