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Cornerstone · Grades 3–5 Keystones #45 14 February 2026 Skills week 7 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 14 February 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Divide: 45 ÷ 16

    Answer: 245
  2. 2. Algebra Two-step inequalities

    Solve: 4x - 10 > 10

    Answer: x > 5
  3. 3. Geometry Area of a right-angled triangle

    Calculate the area of a right triangle with perpendicular sides 7cm and 11cm

    Answer: 38.5cm²
  4. 4. Ratio Unitary method

    If 4 items cost £32.00, how much do 5 items cost?

    Answer: £40.00
  5. 5. Statistics Mode

    What are the modes of: 11, 11, 35, 17, 28, 35

    Answer: 11 and 35