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Cornerstone · Grades 3–5 Keystones #1 13 March 2022 Skills week 1 of 7
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Five GCSE retrieval questions · 13 March 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 3⁄11

    Answer: 5⁄11
  2. 2. Algebra Two-step equations

    Solve: 6x - 11 = 31

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

    Calculate the hypotenuse when a = 8cm and b = 11cm

    Answer: 13.6cm
  4. 4. Ratio Sharing in a ratio

    Divide 165 in the ratio 4:4:3

    Answer: 60, 60 and 45
  5. 5. Statistics Mean

    Find the mean of: 12, 4, 19, 8

    Answer: 10.75

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