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Lintel · Grades 5–7 Keystones #1 22 April 2021
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Keystones — Lintel

Five GCSE retrieval questions · 22 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    Add: 34 + 15

    Answer: 1920
  2. 2. Algebra

    Solve: x5 = 7.2

    Answer: x = 36
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 22cm. Find the angle

    Answer: 50.5°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 23