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Cornerstone · Grades 3–5 Keystones #1 9 February 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 February 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄4 + 1⁄8

    Answer: 5⁄8
  2. 2. Algebra Two-step equations

    Solve: 5x + 14 = 69

    Answer: x = 11
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 3cm and b = 7cm

    Answer: 7.62cm
  4. 4. Ratio Sharing in a ratio

    Share 54 in the ratio 2:1

    Answer: 36 and 18
  5. 5. Statistics Mean

    Find the mean of: 7, 7, 3, 18

    Answer: 8.75

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