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Lintel · Grades 5–7 Keystones #1 24 December 2023
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Keystones — Lintel

Five GCSE retrieval questions · 24 December 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 35 + 13 + 23

    Answer: 85
  2. 2. Algebra

    Solve: 2x = 20

    Answer: x = 10
  3. 3. Geometry

    Opposite = 8cm, adjacent = 11cm. Calculate the angle

    Answer: 36°
  4. 4. Ratio

    Simplify: 10:10:4

    Answer: 5:5:2
  5. 5. Statistics

    A bag has 4 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 411