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Capstone · Grades 7–9 Keystones #192 11 July 2026 Skills week 7 of 7
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Keystones — Capstone

Five GCSE retrieval questions · 11 July 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying in standard form

    Multiply: 7.5 × 107 × 2.7 × 104

    Answer: 2.03 × 1012
  2. 2. Algebra Inequalities with unknowns on both sides

    Solve: 3x + 9 ≤ x - 2

    Answer: x ≤ 5.5
  3. 3. Geometry Area using Pythagoras

    Calculate the area of a right triangle with perpendicular sides 9cm and 13cm

    Answer: 58.5cm²
  4. 4. Ratio Ratio given the difference

    In ratio 5:3, the difference between shares is 44. What is the total?

    Answer: 176
  5. 5. Statistics Mode

    Find the mode of: 17, 57, 29, 74, 41

    Answer: No mode