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Cornerstone · Grades 3–5 Keystones #1 11 June 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 11 June 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄5 + 1⁄5

    Answer: 3⁄5
  2. 2. Algebra Two-step equations

    Solve: 6x + 8 = 62

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio Sharing in a ratio

    Share 85 in the ratio 1:4

    Answer: 17 and 68
  5. 5. Statistics Mean

    Find the mean of: 9, 19, 5

    Answer: 11

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