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Cornerstone · Grades 3–5 Keystones #1 5 November 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 5 November 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄8 + 2⁄8

    Answer: 3⁄8
  2. 2. Algebra Two-step equations

    Solve: 2x + 8 = 32

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 8cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 14.42cm
  4. 4. Ratio Sharing in a ratio

    Share 55 in the ratio 4:1

    Answer: 44 and 11
  5. 5. Statistics Mean

    Find the mean of: 13, 6, 17

    Answer: 12

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