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

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.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

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

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

Do this fun activity that uses stickers to help your kindergartener with counting, basic addition, and one-to-one correspondence.

Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.

Try this fun math card game and practice place value with your second grader! Decide which number is bigger in order to earn points!

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

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.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

Put together a pine forest to help you count down the days until Christmas with your little one.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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?

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

Regale your kindergartener with the beloved story of Rudolph, and then segue into a Christmas craft project in which he makes his own reindeer creation!

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

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

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.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.