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

Description: Explanations and examples of how to implement the Operations & Algebraic Thinking standards in Grade 1. Students can apply their understanding of the relationship between addition and subtraction to solve more complex word problems. Students could then use a Level 2 or 3 method to determine the unknown (for example, they could count on from 6). So far we have looked at the computation methods that students use to add single-digit numbers and the important understandings regarding the properties of addition and the relationship between addition and subtraction.

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Excerpt 2: Cluster 1.OA.B: Understand and apply properties of operations and the relati...

Grade 1 Standards Guide: Operations & Algebraic Thinking

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Excerpt 4: Cluster 1.OA.D: Work with addition and subtraction equations. (Pages 23-26)

Grade 1 Standards Guide: Operations & Algebraic Thinking