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Cornerstone · Grades 3–5 Keystones #1 4 September 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 4 September 2024 · mathsvault.uk/keystones

  1. 1. Number

    50000

    Answer: 5 × 104
  2. 2. Algebra

    Solve: 4x = 40

    Answer: x = 10
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 14.cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 8:16

    Answer: 1:2
  5. 5. Statistics

    What is the probability of rolling a 4 on a fair die?

    Answer: 16