How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Sneak a little learning into Easter by making cute Easter egg counting flash cards in this preschool arts and crafts activity.

Increase your child's confidence in interpreting bar graphs and throw a little candy into the mix to sweeten the learning process.

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

Sponges are easy to handle and fun to play with, and your child will love putting these simple, three-piece puzzles together.

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

In this leap frog activity, your child will use her muscles to jump over her friends and onto lily pads as she practices number recognition.

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.

This fun outdoor game will help your child develop her addition and subtraction skills and teach her basic arithmetic while keeping her active.

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

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!

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

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

Got a shoelace? Got a kindergartener? Help your child learn to use the number line by creating one out of a lace.

Make counting coins make "cents" to your second grader while giving her the chance to practice her math skills by playing this fun game with her.

Toss playing cards into boxes while you practice addition and multiplication with decimals in this fun, fifth grade math game.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Here's Twist 'N Turn: let your preschooler or pre-kindergartener be outside and active while learning about shapes, colors, directions, and word recognition.

Using a fruit cereal and yarn, help your preschooler create crunchy, edible patterns.

Your child will enjoy getting math practice as they use bugs in addition and subtraction problems.

Halloween is approaching, so why not create some ghost flash cards that will help your child learn their numbers the spooky way?

This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

This engaging, fun, pattern resist painting is inspired by your little one's love of shapes.

A plastic tray is the perfect tool to teach your little one how to count. Try out this activity, and your child will have her numbers down in no time.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Heart math is a great way to celebrate Valentine's Day and familiarize your advanced preschooler with the concept of adding numbers.