Math Vocabulary- Addition and Subtraction Algorithms

Front

Decompose

Back

Taking a number and breaking into smaller parts

Front

Partial Sums

Back

A strategy used to add numbers where each place value is added and then recorded as a “partial sum.” Then the partial sums are all added to find the total.

Front

Algorithm

Back

A procedure used for solving a problem or performing a computation

Front

Regroup

Back

An exchange between place value position.

Front

Difference

Back

The answer to a subtraction problem

Front

Variable

Back

A quantity that can be changed and is not fixed

Front

Multi-Step Strategies

Back

Strategies you learn to help solve multi-step problems.

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