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Bedrock · Grades 1–3 Keystones #1 23 February 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 23 February 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 48 + 28

    Answer: 34
  2. 2. Algebra

    Factorise: 6x + 14

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

    Find the area of a right triangle with base 9cm and height 5cm

    Answer: 22.5cm²
  4. 4. Ratio

    Calculate 25% of 21

    Answer: 5.25
  5. 5. Statistics

    What is the probability of getting heads when flipping a fair coin?

    Answer: 12