100 Day activities: 100 gumballs in a gumball machine. Can do with a bingo dauber or make fingerprints. I'd have them choose 10 colors and make 10 gumballs of each one, so they can easily count to 100 by
Use a 100 piece puzzle to count up to a classroom reward in upper grades Put it together first and number the pieces on the back and glue on poster board. Use 25 piece, or 75 pieces for younger grades.