Understand the idea of proportionality by looking at it through a graph. This series of LearnZillion videos introduces the idea of the graph and then figures out more information as the videos go on. The final video has learners answer questions based off a graph. 

Need some help aligning your 6th grade math curriculum to Common Core? Here is a collection complete with a resource for every standard in the curriculum. While many of these resources cover multiple math standards, the main one addressed by the resource is listed in the notes section of each icon. 

Check out the Common Core with a collection that represents all the 8th grade math standards. Most resources engage multiple standards but the main one is listed on the notes section of each tab.