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Lintel · Grades 5–7 Keystones #1 12 February 2022
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Keystones — Lintel

Five GCSE retrieval questions · 12 February 2022 · mathsvault.uk/keystones

  1. 1. Number

    Add: 37 + 13

    Answer: 1621
  2. 2. Algebra

    Solve: 3x = 45

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 12cm

    Answer: 16.97cm
  4. 4. Ratio

    Find 23% of 123

    Answer: 28.29
  5. 5. Statistics

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

    Answer: 310