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Bedrock · Grades 1–3 Keystones #1 6 February 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 6 February 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 310 + 510

    Answer: 45
  2. 2. Algebra

    Simplify: 3x + 2x

    Answer: 5x
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 17cm. Find the angle

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

    Simplify the ratio 20:10

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 16, 8, 9, 4, 18

    Answer: 11