www.khanacademy.org/math/6th-grade-illustrative-mathwww.khanacademy.org/math/6th-grade-illustrative-math
https://sites.google.com/wcpss.net/k-12mathematics/middle-school-math-courses/math-6?authuser=0
***(The above link has the book , extra practice and other resources.)
www.khanacademy.org/math/6th-grade-illustrative-math
***(The link above goes right along with the Open Up Resource.)
www.youtube.com/watch?v=o07enwTfSpU&feature=youtu.be