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Lintel · Grades 5–7 Keystones #1 20 December 2022
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Keystones — Lintel

Five GCSE retrieval questions · 20 December 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 998 + 661

    Answer: 1659
  2. 2. Algebra

    Solve: 8x = 112

    Answer: x = 14
  3. 3. Geometry

    Find c if a = 9cm and b = 24cm in a right triangle

    Answer: 25.6cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 611