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Cornerstone · Grades 3–5 Keystones #1 14 November 2014 Skills week 1 of 7
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Five GCSE retrieval questions · 14 November 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄8 + 5⁄8

    Answer: 3⁄4
  2. 2. Algebra Two-step equations

    Solve: 4x + 13 = 57

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

    Calculate the hypotenuse when a = 11cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 16.28cm
  4. 4. Ratio Sharing in a ratio

    Divide 171 in the ratio 4:3:2

    Answer: 76, 57 and 38
  5. 5. Statistics Mean

    Calculate the mean of: 8, 22, 26, 25, 49, 6. Give your answer to 2 decimal places

    Answer: 22.67

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