IXL | Multiply using the associative and commutative properties

Use properties to find the product.

ref_doc_title.

Learn with an example

question

Use properties to find the product.

key idea

Associative property of multiplication

You can group the factors with parentheses and get the same product.

Example:

(

)

(

)

Commutative property of multiplication

You can multiply numbers in any order and get the same product.

Example:

solution

You can use the properties to find the product

First, use the commutative property to reorder the factors.

Use the associative property to group the factors that are easier to multiply.

(

)

Use mental math to multiply 20 by 5.

100

Finally, multiply 67 by 100.

6,700

So,

6,700

Looking for more? Try these:

Lesson: The commutative property

Lesson: The associative property

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Questions
answeredQuestions

Time
elapsedTime

hr	min	sec
00	00	02

SmartScore
out of 100
IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

Teacher tools

Work it out

Not feeling ready yet? These can help:

F.5Properties of multiplication

I.1Multiply by 10 or 100

F.1Multiplication facts to 10

Lesson: The commutative property

Lesson: The associative property

Excellent! You got that right!

Jumping to level 1 of 1

Excellent!