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Showing Results for add and subtract

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

Teach Decimals on a Budget

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Does Adding Salt to Pasta make it Cook Faster?

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

Halloween Party Game

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Groundhog Cupcakes

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Subtraction Action

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Factors Affecting Solubility

This science fair project idea examines whether adding gelatin causes a solid  to have a higher melting point and/or melt slower.

Does Gelatin Slow Down the Melting of Freezer Pops? 

Teach your kid a fun mathematical magic trick! All you'll need is a deck of cards  and basic addition, subtraction, and multiplication skills.

A Mathematical Card Trick

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

Ring the Bottle: A Math Carnival 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.

Math Solitaire for Two

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

The Place Value Game

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

Decimals Game

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Play Domino Deal for Math Review!

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Knock Off Numbers for Mental Math Practice!

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

Holiday Gift Budget

Make this delicious warm apple bread for Hanukkah.

Apple Bread

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Warm, Warmer: How Does Exercise Change Body Temperature?

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

Shoe Sale

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Candy Science Experiments: Toffee!

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

Bake Colonial Pumpkin Pie

Reinforce your child's measurement and problem solving skills this holiday season! This decadent bread pudding, dressed up with pumpkin and warm spices, is a holiday show-stopper.

Bake Pumpkin Bread Pudding with Caramel Sauce

Tackle both boredom and mathematics with this inventive arts and craft project!

Geometry Bulletin Board

A tall glass of lemonade is the perfect summer treat. Make it even better with these creative twists on classic lemonade!

Lemonade Recipes

Homemade Halloween treats make great party foods for an All Hallow&#39;s Eve get together. These four homemade Halloween treats are scary-good.

Homemade Halloween Treats

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Can Your Own Spaghetti Sauce

Did you know cooking supports your child in learning complex math skills? Reinforce your child's measurement and problem solving skills by whipping up some healthy sweet potatoes for a dinner side dish!

Stuffed Sweet Potatoes

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

How Does Salinity and Temperature Affect the Density of Water?

How does frost form?  How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How Does Frost Form?

Give your child a taste of life in Civil War era America by mixing up a batch of old-fashioned cornbread, adapted from a 19th century recipe.

History in the Kitchen: Civil War Cornbread

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Growing Bacteria

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