Day of School writing. Dress like you're 100 years old family letter.
Ideas for acts of kindness - collect 100 canned food, or pet food, or slightly used toys or clothes, etc. to be donated.
FREE - 100 Days of School Mystery Bag-Students fill the bag with 100 items and class tries to guess what's inside.
100 Day activities: 100 Free Day of School Printables at B-Inspired Mama.
Instead of telling them 10 of each body part.give them a 100 Body Part Challenge + labels.
101 days of school