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Bedrock · Grades 1–3 Keystones #1 17 September 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 17 September 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 5⁄12 + 2⁄12

    Answer: 7⁄12
  2. 2. Algebra

    Find the midpoint of (6, 5) and (17, 16)

    Answer: (11.5, 10.5)
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 18:12

    Answer: 3:2
  5. 5. Statistics

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

    Answer: 1⁄2

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