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Bedrock · Grades 1–3 Keystones #1 17 April 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 17 April 2022 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: 32 × 32

    Answer: 34
  2. 2. Algebra

    Factorise: 16x + 14

    Answer: 2(8x + 7)
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 21:15

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 13, 11, 18, 10, 12

    Answer: 12.8

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