If I had $100 … (Maybe we should ask PTOs and PTAs this question! :)
100th Day of School activities and ideas This site is jam-packed with good ideas.
100th Day of School!!
Mrs D's Corner: Progress Monitoring Made Quick and Easy
Seusstastic Classroom Inspirations: 100th Day, Penguin Ideas & a FREEBIE!
Roll the Dice to 100 - estimate how many rolls it will take, then roll the die & use a different color for each roll.
100th Day Coloring Page~ Freebie
I'm not a teacher but I still think this is the cutest thing ever. 100 days of school treat idea
100th Day Freebies (Limited Time Only) - ABC Order, Parts of Speech, and True/False Subtraction Problems
When I Am 100 Years Old~Writing ideas for the 100th day plus a FREE Things We've Been Told 100 Times class book printable from Around the Kampfire blog