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Lintel · Grades 5–7 Keystones #1 22 August 2022
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Keystones — Lintel

Five GCSE retrieval questions · 22 August 2022 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 53 + ? = 194

    Answer: 141
  2. 2. Algebra

    Solve: x3 = 10.666666666667

    Answer: x = 32
  3. 3. Geometry

    Find c if a = 8cm and b = 19cm in a right triangle

    Answer: 20.6cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 14