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Cornerstone · Grades 3–5 Keystones #1 29 January 2017 Skills week 1 of 7
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Five GCSE retrieval questions · 29 January 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄6 + 2⁄6

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

    Solve: 7x + 4 = 60

    Answer: x = 8
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 9cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 10.82cm
  4. 4. Ratio Sharing in a ratio

    Divide 140 in the ratio 4:2:1

    Answer: 80, 40 and 20
  5. 5. Statistics Mean

    Find the mean of: 20, 5, 19, 4

    Answer: 12

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