Exploring Identity Properties in Addition and Multiplication

What is the common feature of the identity properties of addition and multiplication?

• They both involve division.

• They both keep the number the same.

• They both involve subtraction.

• They both change the number.

Tags

CCSS.1.OA.B.3

What do you add to a number to keep it the same according to the identity property of addition?

• One

• The number itself

• Zero

• Ten

Tags

CCSS.1.OA.B.3

If you add zero to 25, what is the result?

• 100

• 0

• 50

• 25

Tags

CCSS.3.OA.B.5

According to the identity property of multiplication, what do you multiply a number by to keep it the same?

• The number itself

• One

• Two

• Zero

Tags

CCSS.3.OA.B.5

What is the result of multiplying 25 by 1?

• 25

• 50

• 0

• 100

Tags

CCSS.1.OA.B.3

Which of the following statements is true about the identity properties?

• Adding zero or multiplying by one keeps the number the same.

• Multiplying a number by one changes it.

• Adding zero to a number changes it.

• Both properties involve subtraction.

Tags

CCSS.1.OA.B.3