Book excerpt: It's the 100th day of school--what can you do to celebrate? Here are 100 different ideas for celebrating this fun and important day. The 100th day is about math--and so much more! From collecting to counting, baking to bouncing, reading to writing, every possible kind of activity is included for 100th day celebrations at home or at school. Bright, detailed photographs and plenty of innovative ideas will make this beautifully designed book the essential, must-have book for every family and classroom.