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Cornerstone · Grades 3–5 Keystones #1 28 May 2022 Skills week 1 of 7
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Five GCSE retrieval questions · 28 May 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 2⁄11 + 4⁄11

    Answer: 6⁄11
  2. 2. Algebra Two-step equations

    Solve: 6x + 14 = 44

    Answer: x = 5
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

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

    Share 40 in the ratio 4:1

    Answer: 32 and 8
  5. 5. Statistics Mean

    Calculate the mean of: 9, 29, 36, 16, 44, 33, 8, 46

    Answer: 27.6

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