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Bedrock · Grades 1–3 Keystones #1 19 May 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 19 May 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 26 + 26

    Answer: 23
  2. 2. Algebra

    Simplify: 8x + 2x

    Answer: 10x
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 18cm. Find the angle

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

    Simplify the ratio 24:16

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 9, 8, 11, 9

    Answer: 9.25