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Bedrock · Grades 1–3 Keystones #1 5 May 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 5 May 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 510 + 110

    Answer: 35
  2. 2. Algebra

    Factorise: 42x + 12

    Answer: 6(7x + 2)
  3. 3. Geometry

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

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

    Calculate 25% of 193

    Answer: 48.25
  5. 5. Statistics

    Find the median of: 17, 14, 9, 18, 12

    Answer: 14