Hannah looks forward to Robin Hill School's celebration of one hundred days of classes, but when a cold keeps her home the day of the party she decides to bring in the one hundred buttons she found anyway.
"Mrs. Connor's first-grade class is trying to count from one to ten in less than a second. No one is fast enough to get all the way to ten before time is up ... until the first graders work together to come up with a faster way to count"--