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Lintel · Grades 5–7 Keystones #1 2 July 2022
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Keystones — Lintel

Five GCSE retrieval questions · 2 July 2022 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 35 + ? = 108

    Answer: 73
  2. 2. Algebra

    Solve: x8 = 2

    Answer: x = 16
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 34cm. Find the angle

    Answer: 49.7°
  4. 4. Ratio

    Calculate 20.7% of 369

    Answer: 76.38
  5. 5. Statistics

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

    Answer: 310