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Lintel · Grades 5–7 Keystones #1 15 October 2023
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Keystones — Lintel

Five GCSE retrieval questions · 15 October 2023 · mathsvault.uk/keystones

  1. 1. Number

    Add: 13 + 56

    Answer: 76
  2. 2. Algebra

    Solve: x4 = 3.25

    Answer: x = 13
  3. 3. Geometry

    Opposite = 13cm, adjacent = 11cm. Calculate the angle

    Answer: 49.8°
  4. 4. Ratio

    Calculate 47.7% of 999

    Answer: 476.52
  5. 5. Statistics

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

    Answer: 37