Properties of Addition and Subtraction

Front

What is the Associative Property of Addition?

Back

The Associative Property of Addition states that the way in which numbers are grouped does not change their sum. For example, (a + b) + c = a + (b + c).

Front

What is the Commutative Property of Addition?

Back

The Commutative Property of Addition states that the order in which two numbers are added does not change their sum. For example, a + b = b + a.

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, a + 0 = a.

Front

What is the Identity Property of Subtraction?

Back

The Identity Property of Subtraction states that when you subtract zero from any number, the result is that number. For example, a - 0 = a.

Front

What is the result of 19 + 0?

Back

19.

Front

What is the result of 36 + 14 and 14 + 36?

Back

Both equal 50, demonstrating the Commutative Property.

Front

What is the result of (5 + 9) + 2 and 5 + (9 + 2)?

Back

Both equal 16, demonstrating the Associative Property.

Front

What is the result of 19 - 0?

Back

19.

Front

What is the result of 79 - 79?

Back

0.

Front

What is the result of 5 + ____ = 5 + (9 + 2)?

Back

9.