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Cornerstone · Grades 3–5 Keystones #1 30 January 2017 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 30 January 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 3⁄6 + 1⁄6

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

    Solve: 3x + 8 = 32

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

    Find the hypotenuse of a right triangle with sides 12cm and 35cm

    Answer: 37cm
  4. 4. Ratio Sharing in a ratio

    Divide 182 in the ratio 1:4:2

    Answer: 26, 104 and 52
  5. 5. Statistics Mean

    Find the mean of: 16, 9, 17

    Answer: 14

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