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Cornerstone · Grades 3–5 Keystones #1 29 June 2022 Skills week 1 of 7
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Keystones — Cornerstone

Five GCSE retrieval questions · 29 June 2022 · mathsvault.uk/keystones

  1. 1. Number Adding fractions

    Add: 67 + 35

    Answer: 5135
  2. 2. Algebra Two-step equations

    Solve: 4x - 8 = 36

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

    Find the hypotenuse of a right triangle with sides 9cm and 12cm

    Answer: 15cm
  4. 4. Ratio Sharing in a ratio

    Divide 330 in the ratio 4:3:4

    Answer: 120, 90 and 120
  5. 5. Statistics Mean

    Find the mean of: 2, 13, 10, 8

    Answer: 8.25