Step 1: Create assignment
First enter one of your classes and hit the "Assignments" tab. Here you can "Create Assignments" in the top right corner.
Step 2: Assign sections
Next up is to assign the sections of the right course. You can select entire sections or sub sections.
Step 3: Select students
After selecting the sections, you will have to select the students that you want to complete the assignment. You can either select the entire class, or individual students.
Step 4: Pick start & due dates
The final step is to select start and due dates for the students.
Video Tutorial - How do I create an assignment?