**Missouri Education Standards**. Using the Commutative Property in addition means that the order of
addends does not matter; the sum will remain the same. Read More...

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Study GuideCommutative/Associative Properties

Worksheet/Answer keyCommutative/Associative Properties

Worksheet/Answer keyCommutative/Associative Properties

Worksheet/Answer keyCommutative/Associative Properties

MO.A. Algebraic Relationships

A.2. Represent and analyze mathematical situations and structures using algebraic symbols.

A.2.B. Describe and use mathematical manipulation

A.2.B.1. Use the commutative, distributive and associative properties of addition and multiplication for multidigit numbers (DOK 2; MA4 3.2)

MO.N. Number and Operations

N.2. Understand meanings of operations and how they relate to one another.

N.2.A. Represent operations

N.2.A.1. Represent and recognize multiplication and related division using various models, including equal intervals on the number line, equal size groups, distributive property, etc. (DOK 2; MA1 1.10)

N.3. Compute fluently and make reasonable estimates.

N.3.A. Describe or represent mental strategies

N.3.A.1. Represent a mental strategy used to compute a given multiplication problem (up to 2-digit by 2-digit multiple of) (DOK 2; MA1 3.2)

N.3.C. Compute problems

N.3.C.1. Apply and describe the strategy used to compute a given multiplication of 2-digit by 2-digit numbers and related division facts (DOK 2; MA1 3.2)