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

In kindergarten, your child spent lots of time counting things one by one. But in first grade, he'll need to be able to count in groups, especially by fives.

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.

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

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.

One of the most important parts of any Christmas tree is what's on top. This year, have your child make an angel that'll put the finishing touch on your tree!

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!

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.

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

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

Weave a unique ribbon pattern! This fun arts and crafts activity is a great way to make colorful projects and learn basic math and art skills.

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

Make a fun refrigerator graph with your first grader in order to help her develop those crucial graphing skills, while engaging with the whole family.

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

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

This caterpillar math game gets your child to work on addition and subtraction. Challenge your child's math prowess with this fast-paced caterpillar math game.

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

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

Thanksgiving placemats are a great craft for your kid, and a beautiful addition to the dinner table. Make Thanksgiving placemats with your kid for the holiday.

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!

Use empty soda bottles to create a fun bowling set that helps your first grader practice addition skills!

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!

Have some fun with your first or second grader, looking for creative ways that 100 cents can make $1.00!

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

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

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

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.

This competitive inequalities card game is a great way to help your child understand the connection between numerals and the values they represent.