Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Celebrate 100 fantastic days of school by creating a school-themed collage with 100 pieces in this unique arts and crafts activity.

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

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!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Finding the greatest number is great math practice! This strategic card game will help reinforce the concept of number value as well as addition facts.

First graders spend lots of time learning double digit numbers. Here's a "green" way to build skills and have some old time family fun, too.