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Long Addition
Large number addition. Goal is to accurately solve addition with large operands (2 digits or more) reasonably quickly and build up skill to solve harder and harder problems. You will probably have to work these out on paper.
This topic aligns to the following state standards
Grade 2: Num B. select addition or subtraction and solve problems using two-digit numbers, whether or not regrouping is necessary; and
Grade 4: Num A. use addition and subtraction to solve problems involving whole numbers; and
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