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Elementary School
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Math K-2
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Math Grade 1
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Common Core State Standards (CCSS)
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1.0 A Operations and Algebraic Thinking
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Addition and subtraction
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1.0 A Operations and Algebraic Thinking
[0]
Add and subtract within 20 [0]
Addition and subtraction [0]
Represent and solve problems involving addition and subtraction [0]
Understand and apply properties of operations in relationship between [0]
Work with addition and subtraction equations [0]
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