Concordia University

Problem Solving Skills

1(A) Top-down Approach

  • Start from given data or observations, derive other data or observations.
  • Use derived data together with given data to derived more data.
  • Eventually, the desired conclusions can be reached.


Top-down Approach

1(B) Bottom-up Approach

  • In order to get the desired conclusions J, we need the data I, H.
  • In order to get I, H, we need the data F, G, E.
  • Eventually, we see that the given data is sufficient for solution.


Bottom-up Approach
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