Standard #: MAFS.1.OA.2.3 (Archived Standard)


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Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)


General Information

Subject Area: Mathematics
Grade: 1
Domain-Subdomain: Operations and Algebraic Thinking
Cluster: Level 2: Basic Application of Skills & Concepts
Cluster: Understand and apply properties of operations and the relationship between addition and subtraction. (Major Cluster) -

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Date Adopted or Revised: 02/14
Content Complexity Rating: Level 2: Basic Application of Skills & Concepts - More Information
Date of Last Rating: 02/14
Status: State Board Approved - Archived

Related Courses

Course Number1111 Course Title222
5012030: Mathematics - Grade One (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current))
7712020: Access Mathematics Grade 1 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2022, 2022 and beyond (current))
5012005: Foundational Skills in Mathematics K-2 (Specifically in versions: 2019 - 2022, 2022 and beyond (current))


Related Resources

Formative Assessments

Name Description
Turtles in a Pond

Students are given pairs of word problems that can be solved using the Commutative Property of addition.

Does It Work For Subtraction?

Students discuss if the Commutative Property holds for subtraction.

Lemons and Oranges

Students are given pairs of word problems that can be solved using the Commutative (and/or Associative) Property of addition.

Justifying the Commutative Property of Addition

Students work with cubes or color tiles to understand and justify the Commutative Property of addition.

Lesson Plans

Name Description
Related Equations

Students will understand how addition and subtraction are related using math manipulatives.

My Fact Family

Students will use cut out people shapes and number cards to create two addition problems and two subtraction problems using the same three numbers of a fact family to explore the commutative property.

Original Student Tutorial

Name Description
Addition Switcheroo

Change the order of the numbers in an addition sentence and use the counting on strategy to become quicker at your math facts in this interactive tutorial.

Tutorial

Name Description
Adding 5 + 3 + 6

Learn how to add 5 + 3 + 6.

Student Resources

Original Student Tutorial

Name Description
Addition Switcheroo :

Change the order of the numbers in an addition sentence and use the counting on strategy to become quicker at your math facts in this interactive tutorial.

Tutorial

Name Description
Adding 5 + 3 + 6:

Learn how to add 5 + 3 + 6.



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