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Lintel · Grades 5–7 Keystones #1 19 August 2025
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Keystones — Lintel

Five GCSE retrieval questions · 19 August 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 994 + 765

    Answer: 1759
  2. 2. Algebra

    Solve: x4 = 5

    Answer: x = 20
  3. 3. Geometry

    Calculate perimeter: two sides are 10cm and 12cm at right angles

    Answer: 37.6cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 4 blue and 3 green sections. Probability of landing on red?

    Answer: 613