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Lintel · Grades 5–7 Keystones #1 4 June 2025
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Keystones — Lintel

Five GCSE retrieval questions · 4 June 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 999 + 778

    Answer: 1777
  2. 2. Algebra

    Solve: 4x = 16

    Answer: x = 4
  3. 3. Geometry

    Calculate the area of a circle with diameter 9cm

    Answer: 63.62cm²
  4. 4. Ratio

    Calculate 21.2% of 888

    Answer: 188.26
  5. 5. Statistics

    A bag has 4 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 13