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Cornerstone · Grades 3–5 Keystones #1 18 June 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 18 June 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: -12 + (0) + (-5)

    Answer: -17
  2. 2. Algebra

    Simplify: 9x + 2x

    Answer: 11x
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 7cm

    Answer: 9.22cm
  4. 4. Ratio

    Simplify: 10:4:8

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

    What is the probability of getting heads when flipping a fair coin?

    Answer: 12