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

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

  1. 1. Number

    The sum of three consecutive numbers is 144. What are the numbers?

    Answer: 47, 48, and 49
  2. 2. Algebra

    Solve: x3 = 11.333333333333

    Answer: x = 34
  3. 3. Geometry

    Find c if a = 12cm and b = 16cm in a right triangle

    Answer: 20cm
  4. 4. Ratio

    Simplify: 6:15:6

    Answer: 2:5:2
  5. 5. Statistics

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

    Answer: 25