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

Does your child need counting help? Here's a simple game that kids can do at home to help them practice counting to two-digit numbers.

This hands-on activity that involves arranging pieces of yarn will teach your pre-K child the concept of ordering items by length in an interesting way.

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

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

In this simple math activity, your young learner will compare two types of Valentine's Day candy using a Venn diagram.

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

First grade math includes lots of work with two-digit numbers. Here's an activity to help kids practice recognizing and sequencing numbers from 1-30.

Make fractions easy for your child to understand by incorporating their discussion and practice into meals and cooking that you two participate in together.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

This simple bookmaking activity will introduce and reinforce alphabet and number recognition skills that have been taught at home or learned in preschool.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

In this activity, your child will learn to name the numbers from 1 through 5 and they'll practice their counting skills.

Give your child some practice with even numbers, while creating a cute Christmas keepsake. Create this skip counting book.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!

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.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science fair project idea determines which flower lasts the longest.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.