The "Common Core State Standards for Mathematics" presents challenges and opportunities to contribute to a common understanding of the mathematical proficiencies expected of our students. This paper discusses the movement to establish multi-state assessment consortia in the United States based in the standards movement set in motion by…

The Common Core State Standards (CCSS) were created in response to the shortcomings of No Child Left Behind era standards and assessments. Among those failings were the poor quality of content standards and assessments and the variability in content expectations and proficiency targets across states, as well as concerns related to the economic…