Adding and Subtracting with Number Lines

This video tutorial teaches how to use a number line for adding and subtracting numbers. It begins with an introduction to the concept, followed by a review of addition properties, such as the commutative property and the effect of adding zero. The tutorial addresses common misunderstandings, like the need to count each object individually. It then demonstrates subtraction on a number line and provides examples of more complex addition and subtraction problems. By the end, viewers will understand how to efficiently use a number line for basic arithmetic operations.

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