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

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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.

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

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 activity with add some fun and education to long car trips. Perfect for family vacations!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

Create a tornado vortex in your kitchen in this 5th grade science experiment. All you need are two plastic bottles, duct tape, and a metal washer to begin.

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.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

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

Introduce your fifth grader to the Kinara, part of the Kwanzaa tradition, by playing this fast-paced, two player game!

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

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

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

Young artists will combine two animals into one in this imaginative art-project-slash-game!

Here are two fun, rhythmic jump rope chants to help your first grader learn the days of the week, practice reading skills, and stay fit!

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

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!

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

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.

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

Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

In this activity, your child will experience multitasking, then mindfulness and compare the two in terms of productivity and calmness.

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

Help your child get the hang of reading with this fun activity. Here's how to make a spinning phonics wheel out of two paper plates.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.