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Lintel · Grades 5–7 Keystones #1 10 January 2022
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Keystones — Lintel

Five GCSE retrieval questions · 10 January 2022 · mathsvault.uk/keystones

  1. 1. Number

    Find the total of 245, 252, and 124

    Answer: 621
  2. 2. Algebra

    Solve: x4 = 3

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 30cm. Find the angle

    Answer: 42.8°
  4. 4. Ratio

    Calculate 26.6% of 462

    Answer: 122.89
  5. 5. Statistics

    A bag has 8 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 811