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Lintel · Grades 5–7 Keystones #80 21 March 2026
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Keystones — Lintel

Five GCSE retrieval questions · 21 March 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 549 + 684

    Answer: 549 + 684 = 1233
  2. 2. Algebra

    Solve: x⁄2 = 9.5

    Answer: x = 19
  3. 3. Geometry

    Calculate perimeter: two sides are 12cm and 7cm at right angles

    Answer: 32.9cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 2⁄9

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