Missouri Standards. What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing.

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Study GuideCommutative Property

Worksheet/Answer keysCommutative Property

Worksheet/Answer keysCommutative Property

Worksheet/Answer keysCommutative Property

Vocabulary/Answer keysCommutative Property

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. Apply the commutative and associative properties of addition to whole numbers (DOK 2; MA4 1.10)

A.3. Use mathematical models to represent and understand quantitative relationships.

A.3.A. Use mathematical models

A.3.A.1. Model situations that involve the addition of whole numbers, using pictures, objects or symbols (DOK 2; MA1 1.6)

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/model a given situation involving addition and subtraction of whole numbers using pictures, objects, or symbols (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. Describe or represent the mental strategy used to compute addition and subtraction problems (DOK 2; MA1 3.2)

N.3.B. Develop and demonstrate fluency

N.3.B.1. Use strategies to develop fluency with basic number relationships of addition and subtraction for sums up to 20 (DOK 1; MA1 1.6)

N.3.C. Compute problems

N.3.C.1. Apply and describe the strategy used to solve addition or subtraction problems (DOK 2; MA1 3.2)