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Capstone · Grades 7–9 Keystones #1 14 July 2023
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Keystones — Capstone

Five GCSE retrieval questions · 14 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 135. What are the numbers?

    Answer: 44, 45, and 46
  2. 2. Algebra

    Solve: x6 = 6.6666666666667

    Answer: x = 40
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 24cm. Find the angle

    Answer: 60°
  4. 4. Ratio

    Calculate 14.8% of 509

    Answer: 75.33
  5. 5. Statistics

    A spinner has 6 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 613