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Capstone · Grades 7–9 Keystones #169 18 June 2026 Skills week 4 of 7
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Keystones — Capstone

Five GCSE retrieval questions · 18 June 2026 · mathsvault.uk/keystones

  1. 1. Number Dividing in standard form

    Divide: 1.6 × 106 ÷ 3.8 × 105

    Answer: 4.21 × 100
  2. 2. Algebra Solving non-monic quadratics

    Solve: 2x² + 10x + 12 = 0

    Answer: x = -3 or x = -2
  3. 3. Geometry SOHCAHTOA — missing angle

    Adjacent = 26cm, hypotenuse = 31cm. Find the angle

    Answer: 33°
  4. 4. Ratio Mixed ratio problems

    £306.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £170.00
  5. 5. Statistics Median

    Find the median of: 59, 73, 66, 71, 78, 79, 26, 65, 65

    Answer: 66

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