2.2 General things to keep in mind

In his book "How to Solve It" the mathematician George Pólya suggests these steps for solving mathematics problems:

If you cannot solve the proposed problem, look around for an appropriate related problem:

  • work backwards

  • work forwards

  • narrow the condition

  • widen the condition

  • seek a counterexample

  • guess and test

  • divide and conquer

  • change the conceptual mode