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Lintel · Grades 5–7 Keystones #1 30 September 2022
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Keystones — Lintel

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

  1. 1. Number

    Calculate: 994 + 589

    Answer: 1583
  2. 2. Algebra

    Solve: 3x = 39

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 21cm. Find the angle

    Answer: 48.2°
  4. 4. Ratio

    Calculate 26% of 419

    Answer: 108.94
  5. 5. Statistics

    A bag has 5 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 513