Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

This decimal game is a great way to help your child get familiar with how decimal values work.

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

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

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

Send your child on a hunt throughout the house for numbers to help develop her number recognition and ordering skills.

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

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

Build your child's vocabulary by exploring and discussing spatial relationships during everyday activities such as building, rearranging, and ordering.

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.

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.

Build this game, and give your kid some hands-on practice ordering numbers. Soon your first grade kid will be Master of the number line!

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

This hands-on activity that involves arranging pieces of yarn will teach your pre-K child the concept of ordering items by length in an interesting way.

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

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

In this project, you will observe and record changes in sunspots over two weeks.

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

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

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.

Drift away with this charming craft that lets your child create a paper hot air balloon or two.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

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

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

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