CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Rational Expressions
This lesson covers adding and subtracting rational expressions when the denominators are the same.
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Addition and Subtraction
On this interactive site students practice addition and subtraction skills. At the end of the lesson students will be able to solve addition problems using a formal written algorithm and use various strategies to solve unfamiliar problems.
LD Online
Ld Online: Gifted and Learning Disabled? It Is Possible!
Is it possible for a student to be gifted and learning disabled? The author of this article speaks from personal experience with such students. She provides general suggetions for teachers wanting to identify gifted students with LD and...
Mr. Martini's Classroom
Mr. Martini's Classroom: Big Number Addition Math Quiz
Students add numbers 0 to 50 using this interactive quiz. They can choose to have their quiz graded or select new problems.
Other
Sharper Mind Centers: Questions About Add/adhd
This site from the Sharper Mind Centers provides a list of frequently asked questions about ADD, ADHD and Dyslexia. The questions are thoroughly answered and are very interesting. This is a good site to answer questions on the subject.
Family Education
Family Education: Is Retention Beneficial for a Gifted Ld/add Child?
Learn about the option of holding back a gifted student with a learning disability and why it is not beneficial.
Other
Personal Site: Adding Vectors
This personal site provides a diagram and description of the addition of vectors. The triangle law of addition and the parallelogram law are given.
Soft Schools
Soft Schools: Fishing Addition Game
Use this interactive game to select the correct answer to basic addition problems. Students choose one of the three fish that has the correct number.
Varsity Tutors
Varsity Tutors: Aplus Math: Custom Flashcard Creator
Create and print your own custom math flashcards. Twelve flashcards can be created at one time. Input your own numbers, and choose which operation you would like to work on. Choose either addition, subtraction, multiplication, or...
Varsity Tutors
Varsity Tutors: Aplus Math: Custom Flashcard Creator
Create and print your own custom math flashcards. Twelve flashcards can be created at one time. Input your own numbers, and choose which operation you would like to work on. Choose either addition, subtraction, multiplication, or...
Varsity Tutors
Varsity Tutors: Aplus Math: Addition Concentration
Practice your basic addition facts using this interactive online game of Concentration. Please note that this is a Java application needing Microsoft Internet Explorer 4.x or Netscape 4.5 or greater.
ClassFlow
Class Flow: Puzzles & Starters 1234 Puzzle
[Free Registration/Login Required] Using the numbers 1, 2, 3, and 4, students use appropriate order of operations to find as many equations from 1-100 as possible.
ClassFlow
Class Flow: Springtime Addition
[Free Registration/Login Required] This colorful flipchart guides students through a review of basic addition. Students count objects in a set, write the number counted, and then combine and recount sets to in order obtain a sum. The...
ClassFlow
Class Flow: Teddy Addition/subtraction Problems
[Free Registration/Login Required] Use the teddy bear icons to solve teacher created word problems.
Soft Schools
Soft Schools: Addition and Subtraction Game
Students enter the answer to mixed addition and subtraction problems. Score is kept.
Other
Project Happy Child: Free Addition Worksheets
2000 basic addition worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
ClassFlow
Class Flow: Add and Subtract Large Numbers
[Free Registration/Login Required] Use this flipchart as a review of adding, subtracting and rounding larger numbers. Practice after the concept has been taught.
ClassFlow
Class Flow: Close to 100
[Free Registration/Login Required] This flipchart is a game to help students learn how to add two numbers together and get as close to 100 as they can.
ClassFlow
Class Flow: Computation Number Slate
[Free Registration/Login Required] This flipchart was designed for creating math problems for working on computational math skills.
ClassFlow
Class Flow: Daily Math Practice
[Free Registration/Login Required] Use this flipchart as a short daily review. Modify the numbers in the flipchart to create enough pages for an entire year.
ClassFlow
Class Flow: Kindergarten Math
[Free Registration/Login Required] Flipchart pages for a variety of math concepts appropriate for the kindergarten level.
University of Cambridge
University of Cambridge: Nrich: Game Asteroid Blast
Use this game to improve your addition, subtraction, multiplication, and division basic facts. Practice all these skills and have fun at the same time! There is a "Get Printable Page," link at the top to print out the materials you need.
University of Cambridge
University of Cambridge: Nrich: Flip Flop
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!
University of Cambridge
University of Cambridge: Nrich: Game Wild Jack
This math game is great for practice using all the operations: addition, subtraction, multiplication, and division. All you need is a deck of regular playing cards. Just follow the directions and you are in business.