Document Excerpt 4:  Operations & Algebraic Thinking in Grade K (Pages 8-11) icon
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Excerpt 4: Operations & Algebraic Thinking in Grade K (Pages 8-11)

Progressions for the Common Core State Standards for MathematicsDraft K Progression on Counting & Cardinality and K-5 Progression on Operations & Algebraic Thinking
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. 5 Students work with small numbers first, though many kindergarteners will enter school having learned parts of the Kindergarten standards at home or at a preschool program. Focusing attention on small groups in adding and subtracting situations can help students move from perceptual subitizing to conceptual subitizing in which they see and say the addends and the total.

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Excerpt 3: Types of Addition and Subtraction Situations, and Methods for Solving Single...

Draft K Progression on Counting & Cardinality and K-5 Progression on Operations & Algeb...

Progressions for the Common Core State Standards for Mathematics

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Excerpt 5: Addition and Subtraction Situations by Grade Level (Page 9)

Draft K Progression on Counting & Cardinality and K-5 Progression on Operations & Algeb...

Progressions for the Common Core State Standards for Mathematics