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Capstone · Grades 7–9 Keystones #290 17 October 2026 Skills week 7 of 7
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Keystones — Capstone

Five GCSE retrieval questions · 17 October 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying in standard form

    Multiply: 4.8 × 105 × 3.5 × 103

    Answer: 1.68 × 109
  2. 2. Algebra Inequalities with unknowns on both sides

    Solve: 5x + 4 ≤ 4x - 7

    Answer: x ≤ 11
  3. 3. Geometry Area using Pythagoras

    A right triangle has hypotenuse 5cm and one side 3cm. Find its area

    Answer: 6cm²
  4. 4. Ratio Ratio given the difference

    In ratio 7:4, the difference between shares is 75. What is the total?

    Answer: 275
  5. 5. Statistics Mode

    Find the mode of: 28, 59, 10, 44, 73

    Answer: No mode