After examining the Holocaust website (the page you linked too), What was the purpose of the "Forced Labor Camps?" EXPLAIN them. What differences AND similarities do Labor and Killing camps share?
EXPLAIN by making a CLAIM, supporting it with EVIDENCE, and WARRANTING it!
This Extended Response should take you the entire class period because you must research AND construct a thorough response.
Remember however, IF you get done early, begin researching a specific concentration camp and collection data using the website provided!