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Lintel · Grades 5–7 Keystones #1 10 June 2022
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Keystones — Lintel

Five GCSE retrieval questions · 10 June 2022 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: y3 × y5 × y4

    Answer: y12
  2. 2. Algebra

    Solve: 7x = 98

    Answer: x = 14
  3. 3. Geometry

    Find c if a = 17cm and b = 15cm in a right triangle

    Answer: 22.7cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?

    Answer: 511