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Associative property of multiplication review

Review the basics of the associative property of multiplication, and try some practice problems.

What is the associative property?

The associative property is a math rule that says that the way in which factors are grouped in a multiplication problem does not change the product.
Let's start by grouping the 5 and the 4 together. We can evaluate the expression step by step.
Now let's group the 4 and the 2 together.
Regrouping does not change the answer!
Want to learn more about the associative property? Check out this video.
Want to know why the associative property is helpful? Check out this article.


Problem 1
Which expressions are equivalent to (9×2)×5 ?
Choose all answers that apply:

Want to try more problems like this? Check out this exercise.

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