Addition & subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...
The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...
Multiplication and division are connected. Think about the times table facts you have been learning. 3 'multiplied by' 7 makes 21. 7 'times' 3 equals 21. The inverse operation is division. 21 'shared ...
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