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Cornerstone · Grades 3–5 Keystones #142 22 May 2026 Skills week 7 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 22 May 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Divide: 15 ÷ 48

    Answer: 25
  2. 2. Algebra Two-step inequalities

    Solve: 3x + 5 < 45

    Answer: x < 13.3
  3. 3. Geometry Area of a right-angled triangle

    Find the area of a right triangle with base 8cm and height 10cm

    Answer: 40cm²
  4. 4. Ratio Unitary method

    If 7 items cost £28.00, how much do 8 items cost?

    Answer: £32.00
  5. 5. Statistics Mode

    What are the modes of: 18, 19, 38, 33, 19, 38

    Answer: 19 and 38