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Lintel · Grades 5–7 Keystones #1 30 November 2021
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Keystones — Lintel

Five GCSE retrieval questions · 30 November 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 997 + 506

    Answer: 1503
  2. 2. Algebra

    Solve: x3 = 11

    Answer: x = 33
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 40cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Find 78% of 172

    Answer: 134.16
  5. 5. Statistics

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

    Answer: 813