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Cornerstone · Grades 3–5 Keystones #1 2 July 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 2 July 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄5 + 5⁄6

    Answer: 37⁄30
  2. 2. Algebra Two-step equations

    Solve: 5x + 6 = 26

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

    Calculate the hypotenuse when a = 11cm and b = 10cm

    Answer: 14.87cm
  4. 4. Ratio Sharing in a ratio

    Divide 114 in the ratio 1:3:2

    Answer: 19, 57 and 38
  5. 5. Statistics Mean

    Find the mean of: 13, 4, 2, 7, 14

    Answer: 8

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