Show your kindergartener how to count to 100 by tens, and he'll get an adorable cheerio necklace in the process!

This hands-on activity practices skip counting, a key first grade math skill. But it's silly fun!

Ordinary drinking straws are fun for drinking juice and even for spitballs when you're not looking, but also fabulous for learning first grade math.

Build this game, and give your kid some hands-on practice ordering numbers. Soon your first grade kid will be Master of the number line!

In kindergarten, your child spent lots of time counting things one by one. But in first grade, he'll need to be able to count in groups, especially by fives.