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Bedrock · Grades 1–3 Keystones #1 14 September 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 14 September 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 7⁄10 + 2⁄10

    Answer: 9⁄10
  2. 2. Algebra

    Find the next term: 21, 29, 37, 45, ...

    Answer: 53
  3. 3. Geometry

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

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

    Simplify the ratio 10:15

    Answer: 2:3
  5. 5. Statistics

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

    Answer: 1⁄2

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