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Cornerstone · Grades 3–5 Keystones #1 15 January 2023
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Keystones — Cornerstone

Five GCSE retrieval questions · 15 January 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 91 + 88

    Answer: 91 + 88 = 179
  2. 2. Algebra

    Solve: 4x = 48

    Answer: x = 12
  3. 3. Geometry

    Opposite = 13cm, adjacent = 17cm. Calculate the angle

    Answer: 37.4°
  4. 4. Ratio

    Find 62% of 186

    Answer: 115.32
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 1⁄6

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