Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

This flash card game will help your child memorize words while visually learning the differences between objects.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Work on homophones, words that sound the same, and spelling with this imaginative activity!

Compare and order numbers and introduce mathematical inequalities in this fun math card game.

This project compares the strength of one, two, and three-ply toilet paper.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Your child will look forward to lunchtime with this artistic reinterpretation of the same old cold lunch.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This twist on the same old Hide and Seek is a great weekend or rainy-day activity.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Build your child's vocabulary and get his body moving at the same time with this fun dance map activity!

This hunt for leprechaun gold is so much fun, kids won't even realize they're working their reading muscles at the same time.

Head out to the driveway, ball in hand, for a bouncing challenge. Then use those results to make a colorful graph that lets your child compare results.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Representing the story in a visual way makes it easier for your child to compare the traits of various characters.

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

A hands-on guessing game that teaches kids to recognize different coins. First graders will learn their money and their math at the same time!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Give your child a chance to review his knowledge of safety and show off his writing skills at the same time by writing a safety manual to share at home.

Calling all power-shoppers! This game is a fun way for kids to learn life skills, and flex their math muscles at the same time.

This variation of Duck, Duck, Goose is played in pairs, which means a lot more activity for participants!