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Cornerstone · Grades 3–5 Keystones #1 27 November 2022 Skills week 1 of 7
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Five GCSE retrieval questions · 27 November 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Calculate: 1⁄6 + 1⁄6

    Answer: 1⁄3
  2. 2. Algebra Two-step equations

    Solve: 2x - 5 = 9

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

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio Sharing in a ratio

    Divide 104 in the ratio 1:4:3

    Answer: 13, 52 and 39
  5. 5. Statistics Mean

    Find the mean of: 15, 2, 4

    Answer: 7

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