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Lintel · Grades 5–7 Keystones #1 31 January 2025
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Keystones — Lintel

Five GCSE retrieval questions · 31 January 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 647 + 769

    Answer: 647 + 769 = 1416
  2. 2. Algebra

    Solve: x7 = 1.8571428571429

    Answer: x = 13
  3. 3. Geometry

    Opposite = 8cm, adjacent = 13cm. Calculate the angle

    Answer: 31.6°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 7 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 712