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Capstone · Grades 7–9 Keystones #1 30 October 2022
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Keystones — Capstone

Five GCSE retrieval questions · 30 October 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 25 + 14

    Answer: 5960
  2. 2. Algebra

    Complete the square: x² + 4.2x

    Answer: (x + 2.1)² - 4.41
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 26cm. Find the angle

    Answer: 54.8°
  4. 4. Ratio

    Calculate 34.7% of 733

    Answer: 254.35
  5. 5. Statistics

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

    Answer: 27