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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Invite your first grader to play this subtraction sacks game to get her actively involved in understanding and memorizing subtraction facts.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Here's a hands-on activity that first grade use to help kids get a feel for equations. It uses popsicle sticks to practice addition and subtraction!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

First graders will love practicing addition with this fun math game.

Compare and order numbers and introduce mathematical inequalities in this fun math card game.

Help your first grader, second grader, or third grader boost his addition skills and math vocabulary with this fun summer game Ice Cream Addition!

Challenge your 1st grader to skip count with this sequence game. Help him find missing numbers by figuring out the pattern and building on math skills!

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

Ordinary drinking straws are fun for drinking juice and even for spitballs when you're not looking, but also fabulous for learning first grade math.

Looking for a cool game to help your first grader learn her 11s? Look no further than this clever one-person card game.

Practice addition with your child in a whole new way when you battle to defend your cards in this competitive game. Math has never been so fun!

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

This fun shape game is like Twister...with a twist!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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.

Your child will need to combine his sporty hand-eye coordination skills with his math skills to become the bullseye king.

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

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

Find sums of 10 in this fun first-grade math card game that helps kids build addition skills. Help your child use critical thinking skills to find the sums.

Shake those dice and try to roll big numbers in this first grade math game. Practice addition in a new, fun way!

Support your first grader's counting and reading skills while laughing and running in this fun playground game.

This unique Santa is made only from circles. Your little one will have a fantastic time puzzling together Santa's face with this circle-centric activity.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

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.

Lunch is always better when you share it with a wise companion This wide-eyed owl craft is a great way for your growing learner to practice cutting shapes.