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Cornerstone · Grades 3–5 Keystones #1 12 March 2016 Skills week 1 of 7
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Five GCSE retrieval questions · 12 March 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 5⁄8 + 2⁄8

    Answer: 7⁄8
  2. 2. Algebra Two-step equations

    Solve: 2x + 8 = 22

    Answer: x = 7
  3. 3. Geometry Pythagoras — hypotenuse

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

    Answer: 8.49cm
  4. 4. Ratio Sharing in a ratio

    Divide 88 in the ratio 4:3:1

    Answer: 44, 33 and 11
  5. 5. Statistics Mean

    Find the mean of: 5, 11, 6, 18

    Answer: 10

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