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Solving Brain Stretchers

Sometimes you are asked to do problems that can’t be solved by simply multiplying or dividing the numbers. We call these types of problems brain stretchers. Your teacher may give you these problems to get you thinking. Here’s such a problem:

You shut your eyes and reach into a jar filled with pennies, nickels, and dimes. You pull out three coins. How much money might be in your hand?

Problem-Solving Strategy

Let’s see how one person works on this problem.