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Cornerstone · Grades 3–5 Keystones #1 2 August 2014 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 August 2014 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 1⁄5 + 3⁄4

    Answer: 19⁄20
  2. 2. Algebra Two-step equations

    Solve: 6x + 11 = 35

    Answer: x = 4
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 6cm and b = 8cm

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

    Share 112 in the ratio 3:4

    Answer: 48 and 64
  5. 5. Statistics Mean

    Find the mean of: 5, 19, 21

    Answer: 15