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Cornerstone · Grades 3–5 Keystones #1 26 March 2016 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 26 March 2016 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 1⁄8 + 2⁄4

    Answer: 5⁄8
  2. 2. Algebra Two-step equations

    Solve: 7x - 13 = 92

    Answer: x = 15
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio Sharing in a ratio

    Divide 176 in the ratio 1:4:3

    Answer: 22, 88 and 66
  5. 5. Statistics Mean

    Find the mean of: 6, 5, 19

    Answer: 10