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Capstone · Grades 7–9 Keystones #1 17 February 2024
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Keystones — Capstone

Five GCSE retrieval questions · 17 February 2024 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 150. What are the numbers?

    Answer: 49, 50, and 51
  2. 2. Algebra

    Solve: x2 = 6.5

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 22cm. Find the angle

    Answer: 43.3°
  4. 4. Ratio

    Calculate 34.8% of 823

    Answer: 286.4
  5. 5. Statistics

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

    Answer: 511