Teaching 10th of School or 100th Day of School lessons? Here's how to explain it to your students so they understand Zero may stand for NOTHING, but he's a very important digit!It's the tenth day of school, but the numbers 1-9 can't figure out what number will make ten. Tiny One has an idea, but all the others numbers find her solution laughable. Her friend is just an old Nobody who stands for Nothing. Will they ever figure out what to do? Read aloud to your primary school this charming, rhyming tale of how Zero became the number line Hero and helped the numbers count on to infinity!