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Bedrock · Grades 1–3 Keystones #1 5 August 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 5 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: 55 × 54

    Answer: 59
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Calculate 25% of 37

    Answer: 9.25
  5. 5. Statistics

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

    Answer: 1⁄2

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