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Lintel · Grades 5–7 Keystones #1 15 November 2024
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Keystones — Lintel

Five GCSE retrieval questions · 15 November 2024 · mathsvault.uk/keystones

  1. 1. Number

    What is the missing number: 88 + ? = 117

    Answer: 29
  2. 2. Algebra

    Solve: x7 = 1.4285714285714

    Answer: x = 10
  3. 3. Geometry

    Calculate the area of a circle with diameter 22cm

    Answer: 380.13cm²
  4. 4. Ratio

    Find 61% of 257

    Answer: 156.77
  5. 5. Statistics

    A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 23