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Cornerstone · Grades 3–5 Keystones #1 28 January 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 28 January 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 90 + 34

    Answer: 90 + 34 = 124
  2. 2. Algebra

    Factorise: 14x + 4

    Answer: 2(7x + 2)
  3. 3. Geometry

    Calculate the area of a circle with diameter 22cm

    Answer: 380.13cm²
  4. 4. Ratio

    Calculate 10% of 59

    Answer: 5.9
  5. 5. Statistics

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

    Answer: 12