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

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

  1. 1. Number

    Calculate: 994 + 857

    Answer: 1851
  2. 2. Algebra

    Solve: x7 = 3.2857142857143

    Answer: x = 23
  3. 3. Geometry

    Opposite = 15cm, adjacent = 14cm. Calculate the angle

    Answer: 47°
  4. 4. Ratio

    Simplify: 16:8:12

    Answer: 4:2:3
  5. 5. Statistics

    A bag has 3 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 37