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Capstone · Grades 7–9 Keystones #1 6 December 2022
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Keystones — Capstone

Five GCSE retrieval questions · 6 December 2022 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 90. What are the numbers?

    Answer: 29, 30, and 31
  2. 2. Algebra

    Solve: x4 = 1.5

    Answer: x = 6
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 31cm. Find the angle

    Answer: 54.5°
  4. 4. Ratio

    Calculate 18.1% of 695

    Answer: 125.8
  5. 5. Statistics

    A spinner has 3 red, 6 blue and 2 green sections. Probability of landing on red?

    Answer: 311