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Cornerstone · Grades 3–5 Keystones #1 30 January 2018 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 30 January 2018 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 4⁄8 + 3⁄6

    Answer: 1⁄1
  2. 2. Algebra Two-step equations

    Solve: 4x + 10 = 30

    Answer: x = 5
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 12cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 12.65cm
  4. 4. Ratio Sharing in a ratio

    Divide 55 in the ratio 2:1:2

    Answer: 22, 11 and 22
  5. 5. Statistics Mean

    Find the mean of: 9, 13, 18, 13, 7

    Answer: 12

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