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In this engaging 5th-grade math problem, students explore the addition of decimals through a real-world scenario involving a luge competition. The team’s race times are 86.082 seconds, 79.216 seconds, and 88.520 seconds. Students are tasked with finding the total time of all three runs, learning essential facts about decimal addition along the way. The lesson emphasizes lining up decimal points, using placeholders as needed, and proper addition techniques while reinforcing the importance of accurate calculations.
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Adding Decimals Honors Math – Grade 5
Problem of the Day In three trial runs of a luge competition, one team was timed at 86.082 seconds, 79.216 seconds and 88.52 seconds. What is the total of all three runs? What are the important facts? What operation does this word problem suggest? Addition! Let’s take a closer look…
To add two or more decimals… 1. Line up the decimal points. Add zeros as place holders if necessary. Add normally from right to left regrouping as necessary. Write the decimal point in the sum.
