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Lintel · Grades 5–7 Keystones #1 28 May 2024
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Keystones — Lintel

Five GCSE retrieval questions · 28 May 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 646 + 323

    Answer: 646 + 323 = 969
  2. 2. Algebra

    Solve: 9x = 135

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 7cm

    Answer: 13.89cm
  4. 4. Ratio

    Simplify: 10:12:6

    Answer: 5:6:3
  5. 5. Statistics

    A spinner has 3 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 314