MATH 212 Final: MATH212_ALL-SECTIONS_FALL2010_0000_FINAL_EXAM_1
10 Jan 2019
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One of your students thinks that 0. 10 is bigger than 0. 9. Assume that the two bold squares below are each one square unit. When rounding 2. 46 to the nearest whole number, a student of yours wonders if we should round up or down: label the number line below to show why your rounding is justified. Be sure that your number line justifies your rounding clearly. You want to demonstrate to your class how 4/3 compares to 4/5. Use the line below to draw a number line containing 0, 1, 4/3, and 4/5. Be sure your number line shows reasonably accurately where each fraction is located with respect to 0 and to 1. For example shows 2/3 = 4/6. (iii) do the problem. Give the final answer as a mixed number in lowest terms. Full credit will only be awarded if each of the steps in the standard algorithm can be clearly seen in your diagrams.
