Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Create addition problems using critical thinking skills in this fun second grade math card game.

Help your child "step up" to second grade math fact challenges with a fun addition and subtraction game in your very own kitchen.

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

Make practicing addition facts more fun and teach your child the helpful strategy of adding quickly to 10 in this fun and easy-to-make card game!

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Make practicing addition facts more fun and teach your child some helpful strategies with this spin off of the traditional "Go Fish" game.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?