In 1945, George Polya published the book How To Solve It which quickly became
his most prized publication. It sold over one million copies and has been translated
into 17 languages. In this book he identifies four basic principles of problem solving.
Polya’s First Principle: Understand the problem
Polya’s Second Principle: Devise a plan
Polya’s Third Principle: Carry out the plan
Polya’s Fourth Principle: Look back
*I have provided a version in color and in black and white.