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Cornerstone · Grades 3–5 Keystones #1 6 June 2019 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 June 2019 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 3⁄11 + 1⁄11

    Answer: 4⁄11
  2. 2. Algebra Two-step equations

    Solve: 4x - 20 = 8

    Answer: x = 7
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio Sharing in a ratio

    Divide 196 in the ratio 2:3:2

    Answer: 56, 84 and 56
  5. 5. Statistics Mean

    Find the mean of: 13, 15, 8, 8

    Answer: 11

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