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Lintel · Grades 5–7 Keystones #1 10 January 2025
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Keystones — Lintel

Five GCSE retrieval questions · 10 January 2025 · mathsvault.uk/keystones

  1. 1. Number

    Find the total of 118, 119, and 50

    Answer: 287
  2. 2. Algebra

    Solve: 2x = 6

    Answer: x = 3
  3. 3. Geometry

    Find c if a = 18cm and b = 21cm in a right triangle

    Answer: 27.7cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 311