Our Common Core math standards and lessons come from this site. Currently, we do not have a math textbook I can send home with examples. By clicking on this site, it will take you to the lessons I use daily with your kiddo. After you choose the unit we are on, click on presentation. Choose the Word or PDF version. The notebook version is for a Smartboard.
Kahn Academy is a great resource for common core math. You can search the concept we are studying. A tutoring video will walk you through some examples. :)