Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

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.

What's my number? Go ahead and guess! This logic game focuses on number sense that suits all ability levels, as players' questions can be simple or complex.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Learning to count change can be tough! Help your child become a master money-counter with this simple game.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

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

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

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.

Review fractions with your budding mathematician when you play this fun, educational math board game.

Recycle old materials to create a fun, brain-teasing maze toy that also strengthens your child's math reasoning skills.

This fun math card game is a great opportunity to discuss probability with your third grader.

Make subtraction practice more fun with this outdoor review game that's great for beginning math learners and more advanced!

This is a great game to help your child learn number concepts in multiplication and division.

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

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

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

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

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?

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

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

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Do you think heat can affect a plant's growth rate?

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?