In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

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

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!

Lots of everyday objects can be fun, whether it's buttons, beans, or Lego blocks. Here's an activity that uses coins to build problem-solving strategies.

Strengthen your child's number recognition skills with this fun game using an old, empty egg carton!

Use familiar household items and decorations to turn estimation into a fun game!

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.

Help your kindergartener review shapes - and build early reading skills - with this creative book project.

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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

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.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Celebrate the 100th day of school by making a unique work of art using 100 colorful pom poms in this fun kindergarten arts and crafts activity.

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

Cornucopia still life painting is a great activity for your young artist to look at light and shadow, textures and composition in creating art at Thanksgiving!

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

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

Play this game to help froggie hop home...and teach the number line to your kindergartener while you're at it!

Learning to identify and categorize different geometric shapes is a big goal for early learners. And your neighborhood is the perfect place to start!

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

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Use old coffee cans and socks to make a beanbag toss game for kids in preschool and kindergarten. This activity is great for math and coordination.

Get a leg up on counting concepts with this project where art and math collide.

Make practicing addition facts more fun and teach your child some helpful strategies with this spin off of the traditional "Go Fish" game.

These bean bag games are a fun and inexpensive way to keep your child learning! Work on social skills, coordination, math, or even spelling!