Make a 100
Second graders develop an understanding of 100 and the quantity for which it stands and examine the relationship between 100 and 10 by estimating the number of jelly beans in a jar.
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Round to the Nearest Hundred Using a Number Line
Using a number line to round to the nearest hundred is a snap after watching this video. This sixth of eight videos walks through a review explanation of benchmark numbers, rounding, and midpoints. It then gives several examples of how...
5 mins 2nd - 4th Math CCSS: Designed