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

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

  1. 1. Number

    Calculate: 16 + 40

    Answer: 16 + 40 = 56
  2. 2. Algebra

    Simplify: 9x + 3x

    Answer: 12x
  3. 3. Geometry

    Find the area of a right triangle with base 7cm and height 12cm

    Answer: 42cm²
  4. 4. Ratio

    Simplify the ratio 28:32

    Answer: 7:8
  5. 5. Statistics

    What is the probability of rolling a 3 on a fair die?

    Answer: 1⁄6

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