Within Teamwork, you can quickly add a new task from any area of your site via the quick add menu.
Click the Quick Add ( + ) option in the main navigation menu on the left of your site. In the pop-out menu, select the Task option.
You can also use keyboard shortcuts by pressing q on your keyboard to bring up the menu, then pressing t.
When adding a task from the quick add modal, you will need to select which project and task list to add the task to.
You can then add your task name along with the remaining task details (assignees, dates, description).
Click Create task to complete the task creation.
For more information, see: Using the Quick Add Menu