Chapter 2 Math Vocab

Front

Unknown

Back

Not known

Front

Associative Property of Addition

Back

Changing the grouping of three or more addends does not change the sum.

Front

Commutative Property of Addition

Back

Changing the order of addends does not change the sum.

Front

Identity Property of Addition

Back

Adding zero to a number gives the same number.

Front

addend

Back

Any number being added.

Front

Regroup:

Back

Use place value to exchange equal amounts when renaming a number.

Front

Estimate:

Back

An approximation of a number based on reasonable assumptions.

Front

Difference

Back

The answer to a subtraction problem.

Front

minuend

Back

A number from which another number is subtracted.

Front

Subtrahend

Back

A number that is subtracted.