Students in any grade level vary widely in their mathematics achievement, with the typical classroom including four to seven grade levels of mathematics proficiency. Due to this large range of mathematics learning needs, some schools offer certain courses in earlier grades than is typical. In this study, we analyzed multiple, large, national…

Educators across the United States have searched for avenues to improve students' mathematics achievement since the publication of "A Nation at Risk" (National Commission on Excellence in Education, 1983) which reported that American students were behind students in other countries academically. Recent legislation, No Child Left Behind…

Using data collected in 125 seventh-grade and 56 eighth-grade Texas classrooms in the context of the "Scaling Up SimCalc" research project in 2005-07, we examined relationships between teachers' mathematics knowledge, teachers' classroom decision making, and student achievement outcomes on topics of rate, proportionality, and linear…

This brief provides an update on the 2005 "CenterView" featuring 8th grade Algebra I (ED485345). It finds that not much has changed in three years with California middle school students still struggling in Algebra I and 32% of middle school math teachers lacking a subject matter credential in math. Because Algebra I is so critically…