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Cornerstone · Grades 3–5 Keystones #188 7 July 2026 Skills week 7 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 7 July 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Calculate: 68 ÷ 3

    Answer: 14
  2. 2. Algebra Two-step inequalities

    Solve: 2x + 11 < 34

    Answer: x < 11.5
  3. 3. Geometry Area of a right-angled triangle

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

    Answer: 60cm²
  4. 4. Ratio Unitary method

    7 kg costs £25.30. What is the cost of 22 kg?

    Answer: £79.51
  5. 5. Statistics Mode

    Find the mode of: 12, 12, 12, 15, 11, 12

    Answer: 12