Properties of Addition

Front

What is the Commutative Property of Addition?

Back

The Commutative Property of Addition states that changing the order of the numbers you are adding does not change the sum. For example, 2 + 3 = 3 + 2.

Front

What is the Identity Property of Addition?

Back

The Identity Property of Addition states that when you add 0 to any number, the sum is that number. For example, 5 + 0 = 5.

Front

What is the Associative Property of Addition?

Back

The Associative Property of Addition states that when you add three or more numbers, the way you group them does not change the sum. For example, (1 + 2) + 3 = 1 + (2 + 3).

Front

Give an example of the Commutative Property of Addition.

Back

An example is: 4 + 7 = 7 + 4.

Front

Give an example of the Identity Property of Addition.

Back

An example is: 10 + 0 = 10.

Front

Give an example of the Associative Property of Addition.

Back

An example is: (2 + 3) + 4 = 2 + (3 + 4).

Front

What does it mean to 'add 0' in the Identity Property?

Back

Adding 0 means that the number stays the same. For example, 8 + 0 = 8.

Front

How does the Commutative Property help in addition?

Back

It helps us understand that we can add numbers in any order to get the same result.

Front

What is the sum of 5 + 0?

Back

The sum is 5, according to the Identity Property of Addition.

Front

If you have 3 + (4 + 5), what does the Associative Property tell you?

Back

It tells you that you can also add it as (3 + 4) + 5, and the sum will be the same.