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Cornerstone · Grades 3–5 Keystones #1 6 August 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 August 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄7 + 3⁄7

    Answer: 5⁄7
  2. 2. Algebra Two-step equations

    Solve: 4x + 12 = 24

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

    Calculate the hypotenuse when a = 8cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 12.04cm
  4. 4. Ratio Sharing in a ratio

    Share 96 in the ratio 1:2

    Answer: 32 and 64
  5. 5. Statistics Mean

    Find the mean of: 21, 4, 2

    Answer: 9

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