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Lintel · Grades 5–7 Keystones #1 21 July 2023
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Keystones — Lintel

Five GCSE retrieval questions · 21 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 997 + 614

    Answer: 1611
  2. 2. Algebra

    Solve: x3 = 7.6666666666667

    Answer: x = 23
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 13cm and 13cm

    Answer: 84.5cm²
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 37