Lesson 3 & 4 Vocabulary

Front

Estimate (verb)

Back

To give an approximate number or answer based on mathematical thinking.

Front

Round

Back

To approximate the value of a number by finding the nearest ten, hundred, or other place value.

Front

Reasonable

Back

Something that makes sense when given facts are taken into account.

Front

Regroup

Back

To compose or decompose ones, tens, hundreds, thousands, and so forth.

Front

Addend

Back

A number being added.

Front

Algorithm

Back

A set of routine steps used to solve problems.

Front

Sum

Back

The result of addition.