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Lintel · Grades 5–7 Keystones #1 11 September 2025
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Keystones — Lintel

Five GCSE retrieval questions · 11 September 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 993 + 857

    Answer: 1850
  2. 2. Algebra

    Solve: 3x = 39

    Answer: x = 13
  3. 3. Geometry

    Calculate the distance between (3, 6) and (6, 10)

    Answer: 5
  4. 4. Ratio

    Calculate 30.2% of 320

    Answer: 96.64
  5. 5. Statistics

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

    Answer: 811