Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

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

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

Defend your cards in this multiplication math game! Your kid will enjoy using strategy to build equations and win points in this activity.

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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Play this fun basketball game to help your third grader master their multiplication tables.

How powerful is the reaction between baking soda and vinegar? Find out here!

This little chick is so cute that your child will want to make a whole flock to call her own.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.