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Lintel · Grades 5–7 Keystones #1 11 July 2023
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Keystones — Lintel

Five GCSE retrieval questions · 11 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 14 + 12 + 16

    Answer: 1112
  2. 2. Algebra

    Solve: 9x = 27

    Answer: x = 3
  3. 3. Geometry

    Opposite = 16cm, adjacent = 20cm. Calculate the angle

    Answer: 38.7°
  4. 4. Ratio

    Simplify: 24:16:24

    Answer: 3:2:3
  5. 5. Statistics

    A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 813