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Capstone · Grades 7–9 Keystones #1 21 November 2022
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Keystones — Capstone

Five GCSE retrieval questions · 21 November 2022 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Solve: x2 = 11

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 20cm. Find the angle

    Answer: 45.6°
  4. 4. Ratio

    Calculate 31.7% of 764

    Answer: 242.19
  5. 5. Statistics

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

    Answer: 27