Document Excerpt 2: Number & Operations in Base Ten in Grade K (Page 5) icon
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Excerpt 2: Number & Operations in Base Ten in Grade K (Page 5)

Progressions for the Common Core State Standards for Mathematics

Progressions for the CCSSM: Number & Operations in Base Ten in Grades K-5

Supporting grades: K12345

Description: One of a series of documents describing the progression of a topic across several grade levels, informed both by research on children's development and by the structure of mathematics. In Kindergarten, teachers help children lay the foundation for understanding the base-ten system by drawing special attention to 10. Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (e.g., 18 = 10 + 8).

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Excerpt 1: Overview of Number & Operations in Base Ten in Grades K-5 (Pages 2-4)

Progressions for the CCSSM: Number & Operations in Base Ten in Grades K-5

Progressions for the Common Core State Standards for Mathematics

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Excerpt 3: Number & Operations in Base Ten in Grade 1 (Pages 6-7)

Progressions for the CCSSM: Number & Operations in Base Ten in Grades K-5

Progressions for the Common Core State Standards for Mathematics