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Lintel · Grades 5–7 Keystones #1 25 April 2023
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Keystones — Lintel

Five GCSE retrieval questions · 25 April 2023 · mathsvault.uk/keystones

  1. 1. Number

    Add: 28 + 34

    Answer: 11
  2. 2. Algebra

    Solve: x6 = 5.6666666666667

    Answer: x = 34
  3. 3. Geometry

    Calculate the area of a circle with diameter 8cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 7 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 710