We used the app Aging Booth to make the students look like they were 100. We printed them out and they wrote about what it would be like when they were 100; they also got to decorate the frame around their 100 year old face. Here is a pic of what I turned out to look like....
They did a search of the room for numbers. They hi-lighted the numbers they found to find the mystery picture (it made a 100). Each student made a 100 things hat. Each strip they either stuck 10 stickers or drew 10 things. When you add it all together it makes 100!
How did y'all spend your 100th day in school?