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

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

  1. 1. Number

    Simplify: 22 × 24

    Answer: 26
  2. 2. Algebra

    Simplify: 4x + 5x

    Answer: 9x
  3. 3. Geometry

    Find the area of a right triangle with base 5cm and height 7cm

    Answer: 17.5cm²
  4. 4. Ratio

    Calculate 25% of 98

    Answer: 24.5
  5. 5. Statistics

    Find the mean of: 2, 20, 15, 7

    Answer: 11

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