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Bedrock · Grades 1–3 Keystones #1 2 October 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 2 October 2021 · mathsvault.uk/keystones

  1. 1. Number

    600000

    Answer: 6 × 105
  2. 2. Algebra

    Solve: x + 11 = 17

    Answer: x = 6
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 15.6cm. Find the angle

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

    Simplify the ratio 16:4

    Answer: 4:1
  5. 5. Statistics

    Find the mean of: 7, 7, 14

    Answer: 9.3333333333333