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Lintel · Grades 5–7 Keystones #1 27 July 2023
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Keystones — Lintel

Five GCSE retrieval questions · 27 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 664 + 971

    Answer: 664 + 971 = 1635
  2. 2. Algebra

    Solve: 9x = 117

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 30cm. Find the angle

    Answer: 45.6°
  4. 4. Ratio

    Simplify: 18:6:18

    Answer: 3:1:3
  5. 5. Statistics

    A spinner has 6 red, 5 blue and 3 green sections. Probability of landing on red?

    Answer: 37