Tuesday, September 24, 2013

Vocabulary Words for Week of 9/23



difference



The answer to a subtraction problem.

7-4=3 (3 is the difference)


inverse operations




The operation that reverses the effect of another operation


addend




A number that is added to another number.

EX: In 3+4=7 the numbers 3 and 4 are addends.


ungroup




To break apart a number in it’s place value so you can subtract.


sum



The answer to an addition problem.

3+4=7 (7 is the sum).
Been, before, other, again, another, anyone, complete, buy, aunt, also


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