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Capstone · Grades 7–9 Keystones #91 1 April 2026 Skills week 7 of 7
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Keystones — Capstone

Five GCSE retrieval questions · 1 April 2026 · mathsvault.uk/keystones

  1. 1. Number Multiplying in standard form

    Multiply: 4.2 × 107 × 7.3 × 104

    Answer: 3.07 × 1012
  2. 2. Algebra Inequalities with unknowns on both sides

    Solve: 7x + 5 ≤ 4x - 5

    Answer: x ≤ 3.3
  3. 3. Geometry Area using Pythagoras

    Calculate the area of a right triangle with perpendicular sides 8cm and 6cm

    Answer: 24cm²
  4. 4. Ratio Ratio given the difference

    In ratio 3:2, the difference between shares is 42. What is the total?

    Answer: 210
  5. 5. Statistics Mode

    Find the mode of: 79, 25, 47, 57, 10

    Answer: No mode