Topic 2 - Math Vocabulary

Front

A mathematical property stating that the order in which two numbers are added or multiplied does not change the result. For example, 1.3 + 8.2 = 8.2 + 1.3.

Back

Commutative Property

Front

A property of addition that states that you can group does numbers being added in different ways and not change their sum. For example, (a + b) + c = a + (b + c).

Back

Associative Property of Addition

Front

Numbers that are easy to compute mentally, often used to estimate the result of a calculation.

Back

Compatible Numbers

Front

The process of adjusting a number to a nearby and more convenient value (often referred to as "about how many").

Back

Round