Excerpt 3: Cluster 1.OA.A: Represent and solve problems involving addition and subtraction. (Pages 14-23) (Math Strategy)

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Excerpt 3: Cluster 1.OA.A: Represent and solve problems involving addition and subtraction. (Pages 14-23)

UnboundEdGrade 1 Standards Guide: Operations & Algebraic Thinking

Description: Explanations and examples of how to implement the Operations & Algebraic Thinking standards in Grade 1

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High-Impact Strategies for Students With Learning and Attention Issues: 1.OA

2 Content Standards are aligned with this strategy

1.OA.A.1
1.OA.A.2

Major StandardsSupporting StandardsAdditional Standards

Standard 1.OA.A.1

Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Part of Major Cluster 1.OA.A

Prerequisites for 1.OA.A.1

Kindergarten

K.OA.A.2

Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.

Upcoming Standards for 1.OA.A.1

1st Grade

1.OA.A.2

Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

1.MD.C.4

Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.

2nd Grade

2.OA.A.1

Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

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