All assignments, including homework, are posted in Google Classroom. Google Classroom automatically connects the assignments into your child's google calendar. Ask your child to log into their Google Classroom and then in the upper left hand side a pull down menu will appear. Click on calander and you will see all of your child's assignment's from all classes that use Google Classroom. Above is an example of where to look on your child's google classroom.
Click on the link to watch a short video on how this looks: