This site explains how to write whole numbers in expanded form. It provides games and exercises to practice the skill.

Students can practice solving addition number sentences through the interactive learning exercises and games on this site.

Students play a game to solve addition and subtraction word problems.

The online activity is action packed for middle and high school students. The interactive game has students practice addition.

The resource consists of 378,028 math puzzles available in three different levels. Students use multiplication, division, addition, and subtraction skills to solve the puzzles. The puzzles can be solved online or downloaded as a PDF file.

Use these teaching tips from the PBS Kids Lab to help children make sense of problems and persevere in solving them, determine the unknown whole number in an addition or subtraction equations, use addition and subtraction within 20 to...

Students try to connect four game pieces in a row by answering whole number and integer problems. They can choose the difficulty level as well as addition, subtraction, multiplication, or division.

Students will learn what it means to represent a number in different ways and will begin to explore decomposing numbers. Included is a detailed lesson plan, link to an online game, worksheet, center ideas, and a "Ways to Make 10" chart.

You will need to add 9 to the target number given. Find the sum and click it in the hundreds chart. See if you can keep your time score as low as possible.

Enter the Mystical Temple and discover hidden treasure by placing the number orbs in the correct spots on the pedestal. Great addition skills are essential in this exciting math puzzle game. Give it a try!

Use this poem, teacher's guide, and various small manipulatives to make a great lesson on counting. There is a section for students to give their responses on the website.

Use this game to improve your quickness and memorization of addition facts. You can set the facts you want to practice on this game. Just follow the instructions below it!

On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.

Click the balloon with the correct result. In this game addition and subtraction exercises are mixed. In order to move to the next level you must get five correct answers before the time expires.

Gobble Squabble is a Thanksgiving activity to practice addition, subtraction, multiplication and division math facts! Solve math problems and avoid the hungry chefs. Gobble gobble!

The Sum of All Dice is a great game for children to practice addition! Swipe the screen to roll 2 through 5 dice. After adding the total on the dice, click on the correct sum listed on the chalkboard! If the dice roll out of view, simply...

In this activity you can practice mental math by finding the value of each of the objects with the help of the given pictures.

Using fractions and whole numbers, score goals and block your opponent's goals by correctly answering addition, subtraction, multiplication, and division problems. Four levels of play--easy, medium, hard, and super brain--to test your...

First to Five is a fun dice game for children to practice their addition math facts! Swipe the screen, add the sum of the two dice, and click on the correct sum on the chalkboard as you compete against Snake Eyes the dice tossing robot...

Players are on a mission to repair cyberspace's Information SuperRailway, after pieces of its track were stolen by the villain Hacker. Using math problem-solving strategies including counting, addition, and spatial reasoning, players...

What's more Thanksgiving than turkey and football? What about turkeys playing football? Turkey Touchdown is a great way for kids to celebrate the holiday and practice their math facts. Kids will choose a level of difficulty, and then...

Great teacher resources for helping students learn how to double or halve numbers quickly. Includes worksheets, PowerPoint presentations, and classroom games.

Please excuse my dear Aunt Sally. This sentence takes on greater meaning when students realize it will assist them in remembering the all-important order of mathematical operations. A lesson plan, several interactive practice pages, and...

Students can practice their integer addition skills in this online game.