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Bedrock · Grades 1–3 Keystones #1 12 August 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 12 August 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 512 + 212

    Answer: 712
  2. 2. Algebra

    Find the midpoint of (5, 6) and (16, 16)

    Answer: (10.5, 11)
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 25:15

    Answer: 5:3
  5. 5. Statistics

    Find the mean of: 18, 11, 19, 13, 17

    Answer: 15.6