Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

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

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

A hands-on guessing game that teaches kids to recognize different coins. First graders will learn their money and their math at the same time!

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

Help your child build ice cream cones as she practices her counting skills

Use this fun math board game to improve your first grader's confidence with addition facts.

In this activity, your child will develop her sensory awareness and build important math skills while having fun outdoors.

Practice conversions within the metric system in this fun math card game for third graders.

First graders spend lots of time learning double digit numbers. Here's a "green" way to build skills and have some old time family fun, too.

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.

Bring some winter fun into your home while your child practices her number matching skills with this adorable snowman math game.

Help your child see numbers three ways with this simple grab-and-go game, great for quick practice in the car.

Put together a pine forest to help you count down the days until Christmas with your little one.

Teach your young academic about counting and clocks with a tasty treat!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Get your child excited about measuring with this fun and easy household measurements activity.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

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.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Here's a simple math activity that has your child using her basic addition facts to solve a secret code.

Here are some ideas for marshmallow math games you can play with your child to help teach him important concepts like estimation, area, and measurement.