Click on the link - log in with your school Google Account. You can also access homework help from here by going to the review preview problems and clicking on the link.
You can find Review & Preview problems here along with hints on how to solve them. Click on the chapter, then the lesson to find the problems.
https://homework.cpm.org/category/CC/textbook/cc1
These resources can be used during any math unit for review, preview, or extra practice.
Great resource on how to help your child. There are tips of the week as well. Parents are also able to access the homework help using the link above.