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Bedrock · Grades 1–3 Keystones #1 27 July 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 27 July 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 48 + 28

    Answer: 34
  2. 2. Algebra

    Factorise: 20x + 32

    Answer: 4(5x + 8)
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 10cm. Find the angle

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

    Simplify the ratio 24:18

    Answer: 4:3
  5. 5. Statistics

    Find the range of: 9, 39, 31, 12, 10

    Answer: 30