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Capstone · Grades 7–9 Keystones #1 12 October 2022
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Keystones — Capstone

Five GCSE retrieval questions · 12 October 2022 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 96. What are the numbers?

    Answer: 31, 32, and 33
  2. 2. Algebra

    Solve: x8 = 2.625

    Answer: x = 21
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 28cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Calculate 25.6% of 684

    Answer: 175.1
  5. 5. Statistics

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

    Answer: 25