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Capstone · Grades 7–9 Keystones #187 6 July 2026 Skills week 7 of 7
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Keystones — Capstone

Five GCSE retrieval questions · 6 July 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying in standard form

    Multiply: 3.8 × 106 × 3 × 105

    Answer: 1.14 × 1012
  2. 2. Algebra Inequalities with unknowns on both sides

    Solve: 4x + 5 ≤ 3x - 6

    Answer: x ≤ 11
  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 2:1, the difference between shares is 123. What is the total?

    Answer: 369
  5. 5. Statistics Mode

    Find the mode of: 12, 62, 73, 47, 33

    Answer: No mode