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Bedrock · Grades 1–3 Keystones #1 12 April 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 12 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 811 + 211

    Answer: 1011
  2. 2. Algebra

    Find the midpoint of (6, 7) and (14, 16)

    Answer: (10, 11.5)
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 26cm. Find the angle

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

    Calculate 10% of 76

    Answer: 7.6
  5. 5. Statistics

    Find the mean of: 17, 15, 6, 20, 18

    Answer: 15.2