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Bedrock · Grades 1–3 Keystones #1 22 January 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 22 January 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 42 + 43

    Answer: 42 + 43 = 85
  2. 2. Algebra

    Find the next term: 9, 15, 21, 27, ...

    Answer: 33
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

    Answer: 30° (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: 12