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Bedrock · Grades 1–3 Keystones #1 11 May 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 11 May 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 511 + 411

    Answer: 911
  2. 2. Algebra

    Simplify: 2x + 8x

    Answer: 10x
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Calculate 10% of 81

    Answer: 8.1
  5. 5. Statistics

    Find the mean of: 5, 7, 15, 16, 9

    Answer: 10.4