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Cornerstone · Grades 3–5 Keystones #1 31 May 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 31 May 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 58 + 74

    Answer: 58 + 74 = 132
  2. 2. Algebra

    Solve: x + 6 = 22

    Answer: x = 16
  3. 3. Geometry

    Opposite = 9cm, adjacent = 13cm. Calculate the angle

    Answer: 34.7°
  4. 4. Ratio

    Simplify: 6:10:8

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

    A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 311