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Cornerstone · Grades 3–5 Keystones #144 24 May 2026 Skills week 7 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 24 May 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Calculate: 42 ÷ 6

    Answer: 13
  2. 2. Algebra Two-step inequalities

    Solve: 2x - 10 > 31

    Answer: x > 20.5
  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

    9 kg costs £10.20. What is the cost of 19 kg?

    Answer: £21.53
  5. 5. Statistics Mode

    What are the modes of: 29, 17, 16, 32, 16, 32

    Answer: 16 and 32