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Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

In this activity, students build a house of sticks, just like the second little pig in the classic story, The Three Little Pigs. Then, they program an educational robot to push down the house, much like the wolf who “blows the house down.”

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Help your child stay physically and mentally active with this group aerobic fitness game that's good for the heart and mind alike.

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

Turn learning fractions into a pizza party in this fun second grade math game.

Learn about borrowing in subtraction using a deck of cards and a die! Your first grader will have fun playing this math game.

Play this game to help froggie hop home...and teach the number line to your kindergartener while you're at it!

Get a leg up on counting concepts with this project where art and math collide.

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

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

Help your kindergartener practice his shape recognition and develop his fine motor skills by making a scarecrow at home.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Play this fun game with your kindergarten or first grader. It's a great way to practice important math skills, including counting and addition.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Make a fun refrigerator graph with your first grader in order to help her develop those crucial graphing skills, while engaging with the whole family.

This fun shape game is like Twister...with a twist!

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.