Great ideas for "100th Day" activities. Most of these would be a good challenge for upper elementary school students if you want to include them in your 100th Day celebration. Activities include counting, measuring, weighing, sorting,...

This lesson engages students in the read aloud book of Elinor J. Pinczes, One Hundred Hungry Ants, and in daily reinforcement of counting activities. Students will engage in a number of activities connected to the 100th day of school.