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Cornerstone · Grades 3–5 Keystones #1 10 March 2017 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 10 March 2017 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 7⁄8 + 4⁄6

    Answer: 37⁄24
  2. 2. Algebra Two-step equations

    Solve: 6x - 14 = 58

    Answer: x = 12
  3. 3. Geometry Pythagoras — hypotenuse

    Calculate the hypotenuse when a = 5cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 10.3cm
  4. 4. Ratio Sharing in a ratio

    Divide 216 in the ratio 3:4:2

    Answer: 72, 96 and 48
  5. 5. Statistics Mean

    Calculate the mean of: 40, 41, 9, 7, 32, 13. Give your answer to 2 decimal places

    Answer: 23.67