Check out the Assessment section at the bottom for baseline and on-going assessments for grade levels K-5.
Take a look at the Bridges CCSS Supplement series for a collection of activities written to help teachers address the Common Core State Standards. They can be used as supplemental materials for any Math curriculum.
Wow! Went to the next window. Clicked on the right margin for math. Actually, while watching the entire video, I thought this would be a great intro. for all teachers to understand the importance of ccss, math and ela. Approx. a 15 min. video, but the last 3-4 mins. sums it al up.