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Cornerstone · Grades 3–5 Keystones #1 17 April 2023
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Keystones — Cornerstone

Five GCSE retrieval questions · 17 April 2023 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 44 + ? = 184

    Answer: 140
  2. 2. Algebra

    Simplify: 6x + 6x

    Answer: 12x
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify: 24:8:16

    Answer: 3:1:2
  5. 5. Statistics

    What is the probability of rolling a 1 on a fair die?

    Answer: 1⁄6

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