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Common Core State Standards for Mathematics Grade 1 Main Index
Operations and Algebraic Thinking

Represent and solve problems involving addition and subtraction.
Understand and apply properties of operations and the relationship between addition and subtraction.
Add and subtract within 20.
Work with addition and subtraction equations.

 
Number and Operations in Base 10
Extend the counting sequence, understand place value, and apply place value understanding.
 
Measurement and Data
Measure lengths, tell and write time, and represent and interpret data.
 
Geometry
Reason with shapes and their attributes.
       
 
 
 
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