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2.12: Associative and Commutative Properties of Multiplication with Decimals

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

Associative Property

The associative property states that you can change the groupings of numbers being added or multiplied without changing the sum. For example: (2+3) + 4 = 2 + (3+4), and (2 X 3) X 4 = 2 X (3 X 4).

Commutative Property

The commutative property states that the order in which two numbers are added or multiplied does not affect the sum or product. For example a+b=b+a \text{ and\,} (a)(b)=(b)(a).

Estimation

Estimation is the process of finding an approximate answer to a problem.

Product

The product is the result after two amounts have been multiplied.

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Difficulty Level:
At Grade
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Date Created:
Dec 02, 2015
Last Modified:
Sep 08, 2016
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MAT.ARI.812.L.1