Topic 8: Properties of Addition

Front

What is the Associative Property of Addition?

Back

The Associative Property of Addition states that when adding three or more numbers, the way in which the numbers are grouped does not change the sum. For example, (2 + 3) + 4 = 2 + (3 + 4).

Front

What is the Commutative Property of Addition?

Back

The Commutative Property of Addition states that changing the order of the addends does not change the sum. For example, 4 + 5 = 5 + 4.

Front

What is the Identity Property of Addition?

Back

The Identity Property of Addition states that when you add zero to any number, the sum is that number. For example, 7 + 0 = 7.

Front

What are parentheses?

Back

Parentheses are symbols used in mathematics to group numbers or expressions. They look like this: ( ).

Front

Which property is shown in this equation: (1 + 2) + 3 = 1 + (2 + 3)?

Back

This equation shows the Associative Property of Addition.

Front

Which property is shown in this equation: 5 + 0 = 5?

Back

This equation shows the Identity Property of Addition.

Front

Which property is shown in this equation: 8 + 2 = 2 + 8?

Back

This equation shows the Commutative Property of Addition.

Front

If you have the equation (4 + 1) + 2 = 4 + (1 + 2), which property is being used?

Back

This equation uses the Associative Property of Addition.

Front

What is an example of the Commutative Property of Addition?

Back

An example is 6 + 3 = 3 + 6.

Front

What is an example of the Identity Property of Addition?

Back

An example is 9 + 0 = 9.