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| Part 4: Providing Extra Help on Challenging Problems [Begin: 26:19]
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While assisting students on the worksheet problems, the teacher receives an increasing number of questions on problem 37 (Find the measure of two angles that are equal and supplementary) and problem 38 (Write an equation that represents the sentence: the product of 12 and a number is 192). He decides to work these problems with the class. For problem 37, he says "Two angles are supplementary. Therefore they must add up to one hundred eighty degrees. But they are equal so let’s call one QRS and the other SRT (draws a figure on the chalkboard). Each one of them has to be...?" After both problems have been answered and discussed, the students return to their worksheets. | ||
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