The 100th day of school is a day to celebrate! Students will enjoy the variety of hands-on, academic activities as they explore the number 100 and what it means. Cross-curricular ideas for the first days or week of school are included, with some activities culminating on the 100th day and some that can be implemented at any time. A special section is devoted to celebratory activities that commemorate the 100th day of school. Correlated to the Common Core State Standards.