Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

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 activity, your child will experience multitasking, then mindfulness and compare the two in terms of productivity and calmness.

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.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

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!

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

Challenge your child to a word count war, and practice good note-taking skills at the same time!

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.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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.

Don't despair if numerators and denominators seem like a bore to your child. This colorful collage is sure to show him the brighter side of fractions.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

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.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!