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Lintel · Grades 5–7 Keystones #142 22 May 2026
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Keystones — Lintel

Five GCSE retrieval questions · 22 May 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 447 + 875

    Answer: 447 + 875 = 1322
  2. 2. Algebra

    Solve: x7 = 2

    Answer: x = 14
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 34cm. Find the angle

    Answer: 31.5°
  4. 4. Ratio

    Find 71% of 277

    Answer: 196.67
  5. 5. Statistics

    A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 47