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Lintel · Grades 5–7 Keystones #1 15 October 2024
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Keystones — Lintel

Five GCSE retrieval questions · 15 October 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 272 + 920

    Answer: 272 + 920 = 1192
  2. 2. Algebra

    Solve: 9x = 126

    Answer: x = 14
  3. 3. Geometry

    Opposite = 9cm, adjacent = 10cm. Calculate the angle

    Answer: 42°
  4. 4. Ratio

    Calculate 34.3% of 354

    Answer: 121.42
  5. 5. Statistics

    A bag has 8 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 47