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Cornerstone · Grades 3–5 Keystones #43 12 February 2026 Skills week 7 of 7
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Keystones — Cornerstone

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

  1. 1. Number Dividing fractions

    Calculate: 26 ÷ 6

    Answer: 118
  2. 2. Algebra Two-step inequalities

    Solve: 6x + 8 < 42

    Answer: x < 5.7
  3. 3. Geometry Area of a right-angled triangle

    Find the area of a right triangle with base 10cm and height 7cm

    Answer: 35cm²
  4. 4. Ratio Unitary method

    9 kg costs £33.50. What is the cost of 24 kg?

    Answer: £89.33
  5. 5. Statistics Mode

    What are the modes of: 17, 38, 29, 16, 17, 38

    Answer: 17 and 38