MATH 221 Already Passed Exam Questions and CORRECT Answers
Understand the problem-reword Devise a plan- identify subgoals, think of the best method (such as making a table or guess and check) Carry out the plan- stay organized and show all work Look back- check your work and make sure you answered the question (working backwards) Polya's problem solving method counting numbers {1,2,3...} Natural numbers includes zero {0,1,2,3...} Whole numbers includes negative numbers {-1,-2,-3,0,1,2,3...} Integers (fancy R) all numbers including decimals Real numbers
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math 221