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Bedrock · Grades 1–3 Keystones #1 16 November 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 16 November 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 57 + 17

    Answer: 67
  2. 2. Algebra

    Factorise: 12x + 42

    Answer: 6(2x + 7)
  3. 3. Geometry

    Find the area of a right triangle with base 12cm and height 6cm

    Answer: 36cm²
  4. 4. Ratio

    Simplify the ratio 21:18

    Answer: 7:6
  5. 5. Statistics

    What is the probability of rolling a 2 on a fair die?

    Answer: 16