Make One Hundred
In this adding and subtracting to one hundred activity, 4th graders create three groups of numbers to equal the sum one hundred and create three groups of subtraction numbers to show the difference equaling one hundred. Students solve 6 problems.
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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