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Cornerstone · Grades 3–5 Keystones #1 16 December 2022 Skills week 1 of 7
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Five GCSE retrieval questions · 16 December 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 2⁄8 + 4⁄6

    Answer: 11⁄12
  2. 2. Algebra Two-step equations

    Solve: 4x - 14 = 2

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

    Find the hypotenuse of a right triangle with sides 5cm and 12cm

    Answer: 13cm
  4. 4. Ratio Sharing in a ratio

    Divide 110 in the ratio 4:3:4

    Answer: 40, 30 and 40
  5. 5. Statistics Mean

    Find the mean of: 12, 15, 16, 6, 6

    Answer: 11

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