Cool Math
Coolmath: Coolmath4kids: Subtracting Numbers Within 100 With Regrouping
A step-by-step tutorial showing how to subtract using two-digit numbers in the tens and ones columns with regrouping. Includes sample problems to try. It also provides links to subtraction games and more.
ABCya
Ab Cya: Base Ten Fun
Base Ten Fun is an educational virtual manipulatives activity for kids learning place value, addition and subtraction. Base Ten Fun is highly customizable; kids can select from ones, tens and hundreds.
Doina Popovici
Math Play: Subtracting Two Digit Numbers Soccer Game
A soccer game where students practice subtracting two-digit numbers.
Educaplus (Jesús Peñas Cano)
Educaplus: Puzzle Algebraico
In this activity you can practice mental math by finding the value of each of the objects with the help of the given pictures.
Topmarks Online
Topmarks: Mental Maths Train
Mental Maths Train is a multiple-choice math game that focuses on the essential vocabulary of addition, subtraction, multiplication, and division.
National Council of Teachers of Mathematics
The Math Forum: "Make One" Operations W Fractions Game
This card game will help students review the basic operations with fractions. The materials needed, the rules of the game, and several follow-up activities are provided here for the teacher as a lesson plan.
Fun Brain
Fun Brain: Math Zone
An interactive games site with a range of addition, multiplication, subtraction, and division games for players in grades 1 to 8.
E-learning for Kids
E Learning for Kids: Math: Tea Store: Subtraction With Money
These interactive games will explore hexagons, counting, making change, and sorting objects.
E-learning for Kids
E Learning for Kids: Math: On the Beach: Fractions
Students will play multiple games to build knowledge of fractions.
E-learning for Kids
E Learning for Kids: Math: Truck Stop: Decimals
Students will play interactive learning games to practice ordering, adding, subtracting, and multiplying decimals.
Doina Popovici
Math Play: Integers Jeopardy
Single or multi-player Jeopardy game with four categories: adding integers, subtracting integers, multiplying integers and dividing integers.
Hooda Math
Hooda Math: Balance Scales
Solve simple linear equations using a balance beam. Replicate the given equation by moving the blocks of X and 1 to the sides of the balance scale. Then use addition, subtraction, multiplication, and division to each side to solve for x.
Teachnology
Teachnology: Arithmetic Theme
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Teachnology
Teachnology: Arithmetic Theme
Arithmetic Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition, subtraction, multiplication and division.
Oswego City School District
Regents Exam Prep Center: Adding and Subtracting Polynomials
A detailed explanation of polynomials and like terms is followed with many examples of how to add and subtract them. Lessons for the teacher as well as interactive examples for the students provide plenty of opportunities for practice....
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
You can challenge a friend to play this game to practice your arithmetic skills. Be ready because any kind of problem can pop up. You can adjust the problems to make them harder and also to give you less time.
Cool Math
Coolmath: Coolmath4kids: Island Chase Subtraction
Hop on your jet ski and race with simple subtraction in this multiplayer game!
ABCya
Ab Cya: Math Bingo
Practice addition, subtraction, multiplication, and division with the game of Bingo.
Cool Math
Coolmath: Coolmath4kids: Minus Mission
Solve subtraction problems to blast the slimes with your laser before they slime you!
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Four in a Row Subtraction [Pdf]
Play a game with a partner to practice subtraction.
PBS
Pbs Learning Media: Cyberchase: Competing for the Northern Hemisphere Games
In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]
Arcademics
Arcademics: Ducky Race: Subtraction
Engage in this multi-player race game to practice subtraction facts. The faster you answer, the faster the duck will go.
Fun Brain
Fun Brain: Math Car Racing Game
Players must choose the mathematical expression with the highest value to win. Tests understanding of basic arithmetic skills involving the addition, subtraction, multiplication, and division of whole numbers.
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.