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Common Core State Standards Initiative

Common Core State Standards Initiative

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Grade 2 » Number & Operations in Base Ten » Use place value understanding and properties of operations to add and subtract.

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Kindergarten-Grade 12

Standards for Mathematical Practice
Introduction
- How to read the grade level standards
Kindergarten
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5
Grade 6
Grade 7
Grade 8
High School: Number and Quantity
High School: Algebra
High School: Functions
High School: Modeling
High School: Geometry
High School: Statistics & Probability
Note on courses & transitions
- Courses & Transitions
Mathematics Glossary
- Mathematics Glossary
- Table 1
- Table 2
- Table 3
- Table 4
- Table 5

Standards by Domain

Counting & Cardinality
Operations & Algebraic Thinking
Number & Operations in Base Ten
Number & Operations—Fractions
Measurement & Data
Geometry
Ratios & Proportional Relationships
The Number System
Expressions & Equations
Functions
Statistics & Probability

Mathematics Appendix

Mathematics Appendix A

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Resources

Frequently Asked Questions
Myths vs. Facts
Key Shifts in English Language Arts
Key Shifts in Mathematics
Statements of Support
Application to Students with Disabilities

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FAQs

How do the Common Core State Standards compare to previous state education standards?What grade levels are included in the Common Core State Standards?What guidance do the Common Core State Standards provide to teachers?More Frequently Asked Questions >

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