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Bedrock · Grades 1–3 Keystones #1 14 August 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 14 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 33 ÷ 11

    Answer: 33 ÷ 11 = 3
  2. 2. Algebra

    Simplify: 9x + 8x

    Answer: 17x
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 15:35

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 16, 10, 11

    Answer: 12.333333333333

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