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Lintel · Grades 5–7 Keystones #1 24 November 2022
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Keystones — Lintel

Five GCSE retrieval questions · 24 November 2022 · mathsvault.uk/keystones

  1. 1. Number

    Add: 14 + 23

    Answer: 1112
  2. 2. Algebra

    Solve: 7x = 84

    Answer: x = 12
  3. 3. Geometry

    A right triangle has hypotenuse 13cm and one side 5cm. Find its area

    Answer: 30cm²
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 813