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Bedrock · Grades 1–3 Keystones #1 17 March 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 17 March 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 32 + 99

    Answer: 32 + 99 = 131
  2. 2. Algebra

    Simplify: 9x + 3x

    Answer: 12x
  3. 3. Geometry

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

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

    Simplify the ratio 16:4

    Answer: 4:1
  5. 5. Statistics

    Find the mean of: 2, 15, 4

    Answer: 7