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Cornerstone · Grades 3–5 Keystones #1 24 June 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 24 June 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 611 + 311

    Answer: 911
  2. 2. Algebra

    Solve: 4x = 52

    Answer: x = 13
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Calculate 10% of 104

    Answer: 10.4
  5. 5. Statistics

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

    Answer: 12