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Bedrock · Grades 1–3 Keystones #1 18 September 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 18 September 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 8⁄12 + 1⁄12

    Answer: 3⁄4
  2. 2. Algebra

    Find the next term: 9, 15, 21, 27, ...

    Answer: 33
  3. 3. Geometry

    Find the area of a right triangle with base 6cm and height 4cm

    Answer: 12cm²
  4. 4. Ratio

    In ratio 3:1, the difference between shares is 48. What are the shares?

    Answer: 72 and 24
  5. 5. Statistics

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

    Answer: 1⁄2

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