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Lintel · Grades 5–7 Keystones #1 17 December 2021
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Keystones — Lintel

Five GCSE retrieval questions · 17 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 977 + 592

    Answer: 977 + 592 = 1569
  2. 2. Algebra

    Solve: x8 = 2.75

    Answer: x = 22
  3. 3. Geometry

    Opposite = 12cm, adjacent = 20cm. Calculate the angle

    Answer: 31°
  4. 4. Ratio

    Find 71% of 457

    Answer: 324.47
  5. 5. Statistics

    Calculate the mean of: 37, 30, 30, 48, 25, 40, 10, 8

    Answer: 28.5