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.

Does your child need counting help? Here's a simple game that kids can do at home to help them practice counting to two-digit numbers.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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.

Movement activities are crucial for developing minds and bodies. Animal movements, in particular, encourage children to think about their own body mechanics in comparison with animals they may have observed.

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

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

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!

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.

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!

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.

All your preschooler needs to create a personalized Halloween memento is their two hands and some black paint.

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.

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.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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

Use two toilet paper rolls to make a pair of homemade binoculars and let the games begin. Here's how:

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