There are 2 ways to create an Assignment for your classrooms.
Creating an Assignment: Method 1
From your Classes tab, look for the classroom you wish to make an assignment for, and click on the "Create New Assignment" shortcut button:
At this point, your first option is to select additional classes which you may want to also assign the lesson to. Check the box for all classes you would like to assign the lesson to:
Here, you can also toggle between assigning Lessons, or assigning Learning Paths.
Be sure to assign your Open, Due and Close dates.
Use the search bar to look for the lesson you want to Assign, and use the "Advanced Filters" to help sort through the lessons.
Creating an Assignment: Method 2
From the "Lessons" tab, you can search through all lessons and assign to your classrooms.
When you locate your desired assignment, you can select multiple classrooms to assign the lesson to, and set your Open, Due and Close dates.
After clicking the Assign Lesson button, you can continue on to assign more lessons.