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Cornerstone · Grades 3–5 Keystones #1 2 September 2022
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Keystones — Cornerstone

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

  1. 1. Number

    Calculate: 46 + 79

    Answer: 46 + 79 = 125
  2. 2. Algebra

    Collect like terms: 7x + 5y + 7x + 3y

    Answer: 14x + 8y
  3. 3. Geometry

    Calculate the perimeter of a right triangle with sides 5cm and 9cm

    Answer: 24.3cm
  4. 4. Ratio

    Simplify: 6:10:8

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

    What is the probability of rolling a 6 on a fair die?

    Answer: 1⁄6

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