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

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.

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.

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.

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.

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.

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.

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.

This first grade addition math game helps your child use critical thinking skills while practicing his computation.

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

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

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.

Introduce your child to science with something they see everyday--their shadow!

Challenge your kindergartener to finding out if a coin toss is really fair by conducting this coin toss experiment.

Celebrate the 100th day of school by creating a geometric, math-inspired mural in the style of Henri Matisse in this creative kindergarten grade art activity.

Here's a math game for your preschooler or kindergartener that'll make number recognition as easy as a pizza pie!

Here's a fun math-oriented arts and crafts activity for your preschool or kindergarten child: create a gumdrop topiary and practice counting along the way.

Play this game that lets you create your own silly monster drawing and helps your child practice her counting skills!