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Bedrock · Grades 1–3 Keystones #1 25 September 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 25 September 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 2⁄9 + 4⁄9

    Answer: 2⁄3
  2. 2. Algebra

    Factorise: 30x + 35

    Answer: 5(6x + 7)
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    Calculate 10% of 72

    Answer: 7.2
  5. 5. Statistics

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

    Answer: 1⁄2

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