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Lintel · Grades 5–7 Keystones #1 17 June 2023
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Keystones — Lintel

Five GCSE retrieval questions · 17 June 2023 · mathsvault.uk/keystones

  1. 1. Number

    Find the total of 249, 145, and 96

    Answer: 490
  2. 2. Algebra

    Solve: 7x = 63

    Answer: x = 9
  3. 3. Geometry

    Find the perimeter: hypotenuse = 26cm, one side = 17cm

    Answer: 62.7cm
  4. 4. Ratio

    Simplify: 6:18:6

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

    A bag has 6 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 35