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Capstone · Grades 7–9 Keystones #1 11 July 2023
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Keystones — Capstone

Five GCSE retrieval questions · 11 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 138. What are the numbers?

    Answer: 45, 46, and 47
  2. 2. Algebra

    Solve: x7 = 3.8571428571429

    Answer: x = 27
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 37cm. Find the angle

    Answer: 55.4°
  4. 4. Ratio

    Calculate 18.1% of 267

    Answer: 48.33
  5. 5. Statistics

    A spinner has 3 red, 5 blue and 5 green sections. Probability of landing on red?

    Answer: 313