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PRE-ALGEBRALesson 21 of 171

INTEGER OPERATIONS

Addition

Students learn to add integers using a number line, where a positive integer represents a move to the right on the number line, and a negative integer represents a move to the left on the number line. For example, to add -3 + 7, start at zero on the number line, then move 3 units to more...

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*Also referred to as Elementary Algebra or Beginning Algebra.

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