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Bedrock · Grades 1–3 Keystones #1 10 January 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 10 January 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 511 + 111

    Answer: 611
  2. 2. Algebra

    Find the next term: 19, 21, 23, 25, ...

    Answer: 27
  3. 3. Geometry

    Find the area of a right triangle with base 12cm and height 8cm

    Answer: 48cm²
  4. 4. Ratio

    Calculate 10% of 42

    Answer: 4.2
  5. 5. Statistics

    Find the range of: 38, 38, 41, 18, 46

    Answer: 28