Posted November 19, 2015 by mathispower4u in II. Arithmetic Videos, XIV. Uncategorized. Tagged: sum, add, adding, integers, plus, formal, rules, number, line, arithmetic, absolute, value, prealgebra, james, sousa, mathispower4u. Leave a Comment
This video explains how to find the sum of two and three digit integers. The sum is found using the formal rules for adding integers and how to find the sum on the number line.
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