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Lintel · Grades 5–7 Keystones #1 9 July 2021
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Keystones — Lintel

Five GCSE retrieval questions · 9 July 2021 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: x8 × x3

    Answer: x11
  2. 2. Algebra

    Solve: x7 = 4.8571428571429

    Answer: x = 34
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 37cm. Find the angle

    Answer: 59.1°
  4. 4. Ratio

    Calculate 19% of 254

    Answer: 48.26
  5. 5. Statistics

    A bag has 3 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 12