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Cornerstone · Grades 3–5 Keystones #189 8 July 2026 Skills week 7 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 8 July 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Calculate: 82 ÷ 4

    Answer: 11
  2. 2. Algebra Two-step inequalities

    Solve: 5x + 7 < 28

    Answer: x < 4.2
  3. 3. Geometry Area of a right-angled triangle

    Calculate the area of a right triangle with perpendicular sides 9cm and 10cm

    Answer: 45cm²
  4. 4. Ratio Unitary method

    5 kg costs £18.70. What is the cost of 20 kg?

    Answer: £74.80
  5. 5. Statistics Mode

    Find the mode of: 9, 11, 6, 11, 11, 11

    Answer: 11