On Task Boards versus Kanban Boards

As the name suggests, a Scrum task board will show the progress of the tasks that are needed to complete User Stories. A Kanban board on the other hand, which is meant to deal with smaller and finer grained pieces of work, will typically track the progress of those fine-grained User Stories themselves across the board.For more information about this topic, see the following blog post:Getting Real with Scrumban

Scrum to Lean Kanban: Some Problems and Pitfalls

Scaling between Lean and Agile Practice