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Lintel · Grades 5–7 Keystones #1 2 April 2021
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Keystones — Lintel

Five GCSE retrieval questions · 2 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 129. What are the numbers?

    Answer: 42, 43, and 44
  2. 2. Algebra

    Solve: x7 = 3.1428571428571

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 33cm. Find the angle

    Answer: 61°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: -19, -14, -21, 30, -4

    Answer: 51