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Capstone · Grades 7–9 Keystones #139 19 May 2026 Skills week 7 of 7
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Keystones — Capstone

Five GCSE retrieval questions · 19 May 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying in standard form

    Multiply: 9.3 × 105 × 2.9 × 106

    Answer: 2.7 × 1012
  2. 2. Algebra Inequalities with unknowns on both sides

    Solve: 5x + 11 ≤ x - 4

    Answer: x ≤ 3.8
  3. 3. Geometry Area using Pythagoras

    A right triangle has hypotenuse 13cm and one side 5cm. Find its area

    Answer: 30cm²
  4. 4. Ratio Ratio given the difference

    In ratio 3:2, the difference between shares is 86. What is the total?

    Answer: 430
  5. 5. Statistics Mode

    Find the mode of: 13, 44, 70, 63, 34

    Answer: No mode