Ohio 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

OH.MP. Mathematical Processes: Students use mathematical processes and knowledge to solve problems. Students apply problem-solving and decision-making techniques, and communicate mathematical ideas.

MP.G. Use invented and conventional symbols and common language to describe a problem situation and solution.

OH.NNSO. Number, Number Sense and Operations: Students demonstrate number sense, including an understanding of number systems and operations and how they relate to one another. Students compute fluently and make reasonable estimates using paper and pencil, technology-supported and mental methods.

NNSO.10. Grade Level Indicator: Meaning of Operations: Model, represent and explain addition as combining sets (part + part = whole) and counting on. For example:

NNSO.10.a. Model and explain addition using physical materials in contextual situations.

NNSO.10.b. Draw pictures to model addition.

NNSO.10.d. Explain that adding two whole numbers yields a larger whole number.

NNSO.12. Grade Level Indicator: Meaning of Operations: Use conventional symbols to represent the operations of addition and subtraction.

NNSO.16. Grade Level Indicator: Computation and Estimation: Develop strategies for basic addition facts, such as:

NNSO.16..e Doubles plus or minus one.

NNSO.16.a. Counting all.

NNSO.16.b. Counting on.

NNSO.16.c. One more, two more.

NNSO.16.d. Doubles.

NNSO.16.g. Using tens frames.

NNSO.G. Model, represent and explain addition as combining sets and counting on.

NNSO.K. Demonstrate fluency in addition facts with addends through 9 and corresponding subtractions.

OH.PFA. Patterns, Functions and Algebra: Students use patterns, relations and functions to model, represent and analyze problem situations that involve variable quantities. Students analyze, model and solve problems using various representations such as tables, graphs and equations.

PFA.4. Grade Level Indicator: Use Algebraic Representations: Solve open sentences by representing an expression in more than one way using the commutative property; e.g., 4 + 5 = 5 + 4 or the number of blue balls plus red balls is the same as the number of red balls plus blue balls (R+B=B+R).

PFA.D. Model problem situations, using objects, pictures, numbers and other symbols.