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

Five GCSE retrieval questions · 1 March 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄8 + 3⁄6

    Answer: 3⁄4
  2. 2. Algebra Two-step equations

    Solve: 7x - 8 = 55

    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 45 in the ratio 4:1

    Answer: 36 and 9
  5. 5. Statistics Mean

    Find the mean of: 3, 8, 10

    Answer: 7