Your first question might be “Why?”
Saying “Thank you” is a way to express gratitude. An attitude of Gratitude puts the world at your finger tips.
Of course, it’s easy to cheat nowadays with the Internet. I just typed in “thank you in German” and got About 35,300,000 results in 0.16 seconds. Not much of a challenge, huh?
So you’ll have to spice it up a bit.
Before writing this blog entry, I knew: Dahnke, De Nada, Gratsi, Merci, plus Thank you.
Or if you want to get really snazzy, here is an article about saying Thank you 10 different ways in German: http://german.about.com/od/vocabulary/a/danke10ways.htm
Okay, for those of you going on to Level 2 and beyond, here are some variations:
1. Say Thank You 10 different ways in English.
2. Make a collage with Thank You in it and photos of people expressing appreciation.
3. Invent a game called “Thank you.”
4. Come up with your own ideas.