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Capstone · Grades 7–9 Keystones #69 10 March 2026 Skills week 4 of 7
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Keystones — Capstone

Five GCSE retrieval questions · 10 March 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing in standard form

    Divide: 4.7 × 107 ÷ 5.6 × 105

    Answer: 8.39 × 101
  2. 2. Algebra Solving non-monic quadratics

    Solve: 2x² + 16x + 32 = 0

    Answer: x = -4 or x = -4
  3. 3. Geometry SOHCAHTOA — missing angle

    Adjacent = 13cm, hypotenuse = 27cm. Find the angle

    Answer: 61.2°
  4. 4. Ratio Mixed ratio problems

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics Median

    Find the median of: 41, 75, 66, 29, 29, 32, 56, 80, 72

    Answer: 56