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Cornerstone · Grades 3–5 Keystones #1 4 November 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 4 November 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 1⁄4 + 2⁄6

    Answer: 7⁄12
  2. 2. Algebra Two-step equations

    Solve: 7x - 19 = 37

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

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio Sharing in a ratio

    Divide 152 in the ratio 4:3:1

    Answer: 76, 57 and 19
  5. 5. Statistics Mean

    Find the mean of: 18, 12, 15

    Answer: 15

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