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Cornerstone · Grades 3–5 Keystones #1 13 June 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 13 June 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 4⁄6 + 2⁄8

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

    Solve: 8x - 8 = 80

    Answer: x = 11
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio Sharing in a ratio

    Divide 84 in the ratio 2:3:1

    Answer: 28, 42 and 14
  5. 5. Statistics Mean

    Calculate the mean of: 25, 48, 5, 44, 36, 11

    Answer: 28.2

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