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Cornerstone · Grades 3–5 Keystones #1 6 November 2024 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 November 2024 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 5⁄8 + 1⁄3

    Answer: 23⁄24
  2. 2. Algebra Two-step equations

    Solve: 7x - 10 = 60

    Answer: x = 10
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 3cm and b = 8cm

    Answer: 8.54cm
  4. 4. Ratio Sharing in a ratio

    Divide 175 in the ratio 1:4:2

    Answer: 25, 100 and 50
  5. 5. Statistics Mean

    Find the mean of: 8, 18, 11, 18

    Answer: 13.75

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