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Lintel · Grades 5–7 Keystones #1 6 September 2021
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Keystones — Lintel

Five GCSE retrieval questions · 6 September 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 16 + 12 + 13

    Answer: 11
  2. 2. Algebra

    Solve: 8x = 40

    Answer: x = 5
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 40cm. Find the angle

    Answer: 51.3°
  4. 4. Ratio

    Find 35% of 206

    Answer: 72.1
  5. 5. Statistics

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

    Answer: 25