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Cornerstone · Grades 3–5 Keystones #41 10 February 2026 Skills week 7 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 10 February 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing fractions

    Calculate: 46 ÷ 2

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

    Solve: 2x - 6 > 11

    Answer: x > 8.5
  3. 3. Geometry Area of a right-angled triangle

    Find the area of a right triangle with base 9cm and height 8cm

    Answer: 36cm²
  4. 4. Ratio Unitary method

    4 kg costs £26.80. What is the cost of 20 kg?

    Answer: £134.00
  5. 5. Statistics Mode

    Find the mode of: 15, 12, 10, 12, 10, 10

    Answer: 10