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Cornerstone · Grades 3–5 Keystones #1 11 June 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 11 June 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 26 + 23

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

    Solve: 2x + 9 = 27

    Answer: x = 9
  3. 3. Geometry Pythagoras — hypotenuse

    Find the hypotenuse of a right triangle with sides 7cm and 24cm

    Answer: 25cm
  4. 4. Ratio Sharing in a ratio

    Divide 176 in the ratio 1:3:4

    Answer: 22, 66 and 88
  5. 5. Statistics Mean

    Find the mean of: 12, 16, 11, 8, 8

    Answer: 11