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

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

  1. 1. Number Adding fractions

    Calculate: 7⁄11 + 2⁄11

    Answer: 9⁄11
  2. 2. Algebra Two-step equations

    Solve: 7x + 6 = 41

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

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio Sharing in a ratio

    Divide 96 in the ratio 2:3:3

    Answer: 24, 36 and 36
  5. 5. Statistics Mean

    Find the mean of: 12, 12, 3

    Answer: 9

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