These skiers are flying down the slopes! Who will win? Your first grader will join the high-flying fun while practicing addition and subtraction facts.

Who knew math could be as fun as fishing? This great "Fishing for Answers" series will help your child learn her addition and subtraction facts.

Give your child a great game for practicing math facts! She'll "fish" for the right answer by solving all the simple subtraction and addition equations.

How many different ways can you add and subtract to make the number twelve? Find out with a fun "Fishing for Answers" math facts game!

Make math fun with this series of "Fishing for Answers" math facts. Your child will be able to practice doing simple subtraction and addition equations.

Does your child need a jump-start on simple arithmetic? Give her a great game to get started learning addition and subtraction math facts!

Studying earth science? Learn about the different types of clouds with the series of cloud types.

Meet the altostratus cloud, a thin cloud that sometimes makes rain, in this earth sceince worksheet.

Want to boost your kid's addition and subtraction savvy? Make sure he checks the facts on this worksheet that's jam-packed with problems.

Help your second grader understand the different types of weathering and how they can affect the earth.

If your kid loves to ski, here's a math sheet of Olympic proportions! He'll need to solve a few math facts to help these skiers get down the slopes.

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

Blast off to coloring fun with this celestial coloring page, featuring a space shuttle in flight over Earth.

Norse mythology wasn't all revenge and destruction. There's also the lovely Sif, protector of the earth.

This activity adds a discussion element to nonfiction reading. Use this worksheet to get your students thinking about facts in the books they read.

Are your students getting ready to write their own opinion pieces? Set students up for success with this worksheet that will have them record and differentiate facts and opinions about a topic of their choice.

Let's talk about trees! Help your child use Earth Day as an excuse to praise the woody perennials that hardly ever get the recognition they deserve.

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.