AAA Math
Aaa Math: Subtraction Using Estimation
This site explains how to estimate differences by rounding. Games and exercises are provided to practice the skill.
Primary Resources
Primary Resources: Addition and Subtraction Resources
Here's an extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction. You will find resources on the vocabulary used in word problems, column addition, checking addition and subtraction, games,...
Math Slice
Math Slice: Math Jeopardy Game
Let's play Jeopardy! Modeled after the popular TV game show, this interactive game focuses on addition number skills. Immediate feedback given to responses. Top winners have their scores posted daily.
AAA Math
Aaa Math: Subtraction of Decimal Tenths
This site describes how to subtract decimals. It provides exercises and games to practice the skill through the tenths place.
Other
Answermath.com: Resta
An online subtraction game which offers practice in mental math and times practice. When you submit the wrong answer, it provides the correct one. Students and teachers can choose how many places to subtract. In Spanish, with links to...
Cool Math
Coolmath: Coolmath4kids: How Subtraction Works
Uses visual models to explain what subtraction is and includes suggested activities for parents to try at home. It also provides links to subtraction games and more.
Varsity Tutors
Varsity Tutors: Aplus Math: Subtraction Hidden Picture (Non Java)
Uncover the hidden picture by correctly choosing answers to basic subtraction facts. This fun interactive online game will have your students asking to practice their math!
Varsity Tutors
Varsity Tutors: Aplus Math: Subtraction Flashcards
Practice basic subtraction facts using online flashcards. The game keeps track of how many of the attempted flashcards you get correct, and lets you know your percentage. Did you input an incorrect answer? Don't worry, a message with the...
Soft Schools
Soft Schools: Fishing Subtraction Game
Go fishing by catching the fish with the correct answer to a basic subtraction problem. This game is interactive, fun, and the score is kept at the top of the page.
Soft Schools
Soft Schools: Addition and Subtraction Game
Students enter the answer to mixed addition and subtraction problems. Score is kept.
Teachnology
Teachnology: Addition and Subtraction Teaching Theme
Addition and Subtraction Math Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition and subtraction skills.
University of Waterloo (Canada)
University of Waterloo: Arithmagic: Mental Math
Test your mental math skills in arithmetic. How many questions can you answer in one minute? Good luck!
ABCya
Ab Cya: Math Bingo
Test your math facts in addition, subtraction, multiplication, and division with this fun BINGO game. The lower your score the better in all three levels.
ABCya
Ab Cya: Balloon Pop Subtraction
Students practice different levels of subtraction problems by popping the number of balloons necessary to find the solution.
Math Is Fun
Math Is Fun: Word Questions: Elementary Subtraction
Simple word problems challenge your subtraction skills. If you get stuck, use the clues and the number line for help.
Math Is Fun
Math Is Fun: Math Trainer: Subtraction
A great way to train your brain and learn your subtraction facts. Work against a timer and challenge yourself as you become a subtraction pro.
Room Recess
Math Facts Game
Math Facts Game is game that allows for a flash card race method to allow students to practice basic math skills such as addition, subtraction, multiplication and division.
Fun Brain
Fun Brain: Math Car Racing (Easy Subtraction Game)
FunBrain's easy subtraction facts game lets players race cars, fueled by correct answers, around a track.
Scholastic
Scholastic: Max's Math Adventures: Subtraction Square Dance
This site has a square dance rhyme with some fun subtraction practice. Teachers will appreciate the activity page, the extra challenges, and the teacher's guide for easy lesson planning.
AAA Math
Aaa Math: Estimating a Difference
Students can practice estimating differences in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Front End Estimation: Differences
Students use front-end estimation to solve subtraction problems. Learning exercises and games are provided to practice the skill.
Scholastic
Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
Fun Brain
Fun Brain: Tic Tac Toe Squares (Math Facts Games)
Players practice adding, subtracting, multiplying, and dividing skills while playing virtual Tic Tac Toe. They can also try their hand at squares, cubes, and square roots.
Scholastic
Scholastic: Math Facts
This one page website from Scholastic offers two math facts games and a secret code idea all to help you remember your math facts.