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Lintel · Grades 5–7 Keystones #1 5 November 2021
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Keystones — Lintel

Five GCSE retrieval questions · 5 November 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 120. What are the numbers?

    Answer: 39, 40, and 41
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 26cm. Find the angle

    Answer: 46.2°
  4. 4. Ratio

    Simplify: 10:8:6

    Answer: 5:4:3
  5. 5. Statistics

    A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 415