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Lintel · Grades 5–7 Keystones #1 30 January 2023
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Keystones — Lintel

Five GCSE retrieval questions · 30 January 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 271 + 240

    Answer: 271 + 240 = 511
  2. 2. Algebra

    Solve: x4 = 2.75

    Answer: x = 11
  3. 3. Geometry

    Find the perimeter: hypotenuse = 20cm, one side = 10cm

    Answer: 47.3cm
  4. 4. Ratio

    Calculate 49.9% of 266

    Answer: 132.73
  5. 5. Statistics

    A spinner has 3 red, 2 blue and 4 green sections. Probability of landing on red?

    Answer: 13