CLEVELAND, Ohio – On a mid-October day, Mr. John Whelan is playing a video on rounding numbers for his class. As the video finishes and Mr. Whelan begins the lesson, Zoey expresses her worries and ...
Imagine needing to estimate the total cost of the items in your grocery basket to decide whether to put something back. So you round to the nearest dollar for each potential purchase, using the “round ...
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