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

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.

Okay, identifying place value isn't as fun as eating ice cream, but with a few index cards and a competitive spirit, it can be disguised a game!

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Most often, a collage is 2-dimensional, but instead of using paper as a base, this project uses an inexpensive pumpkin from the craft store.

Many kids find themselves especially challenged by writing in third grade. Here's how you can help, using a technique called "storyboarding."

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This variation of Duck, Duck, Goose is played in pairs, which means a lot more activity for participants!

This project compares the strength of one, two, and three-ply toilet paper.

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.

Transform a single sheet of card stock into a double-sided painting of opposites: on one side, a bright daytime landscape, on the other, a dusky evening scene.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Coil your daughter's two favorite colors into a wearable pendant with just a few scraps of felt!

Your child can make a sweet and savory spinach strawberry salad; two ingredients that come together for a light and fresh summer dish!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Help your first grade child figure out contractions and their original two words by playing this simple game, Contraction Concentration!

Your second grader can honor two renowned U.S. Presidents--Abraham Lincoln and George Washington--by crafting larger-than-life pennies and quarters!

Help your third grader create a Venn diagram fantasy creature by combining two different creatures to create a fantasy creature based on their similarities.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This recycled craft makes a great addition to the dress-up box and is a two-in-one activity and party favor for princess-themed birthday parties.

Looking for something to do with all those plastic 2-liter bottles that seem to accumulate endlessly? Turn them into a unique mini birdbath.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Here are two streamlined breakfast ideas so that mom not only gets a delicious breakfast for Mother's Day, but a clean kitchen too!

Delight your child by helping them to construct a boat that can hold two seaworthy toy figures in this engaging project made from upcycled water bottles.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.