Math Vocabulary

Sum ~ The answer to an addition problem

Difference ~ The answer to a subtraction problem

Compose ~ To join numbers to create tens, hundreds, thousands, etc. or to put together parts to create a whole.   EX:  5,000 + 300 + 40 + 2 = 5,342

Decompose ~ To break down or to break apart into smaller parts.  Ex: 239 is 2 hundreds, 3 tens, and 9 ones.

Digit ~ one of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to create numbers.

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