Better Lesson
Better Lesson: Adding, Subtracting, and Understanding Decimals
Learners learn how to properly add and subtract decimal quantities.
Better Lesson
Better Lesson: Adding and Subtracting Integers With Counters
What are opposites and what happens when you add them together? Students work with counters to model adding and subtracting integers.
Better Lesson
Better Lesson: Adding and Subtracting Integers on a Number Line
Sixth graders work with a number line and football to model adding and subtracting integers.
Better Lesson
Better Lesson: Adding and Subtracting Decimals
Sixth graders use estimates and work on strategies for adding and subtracting decimals.
Better Lesson
Better Lesson: Adding and Subtracting Fractions
Understanding that when the total number of parts of a whole are the same, fractions can be added.
Better Lesson
Better Lesson: Put It Together and Take It Apart
Second graders increase their understanding of place value by manipulating larger numbers.
Better Lesson
Better Lesson: Put Together or Take Away?
First graders learn the basics of 1.OA.1 by mixing addition and subtraction word problems from day 1. The focus question is: Put together or take away?
Better Lesson
Better Lesson: How Big Is a Mile?
How far do I have to walk in order to make 1 mile? Students measure, add, and figure it out.
National Council of Teachers of Mathematics
Nctm: Illuminations: Grouping and Grazing
Help the alien spaceship move cows into corrals by counting, adding, and subtracting. This activity helps children learn grouping, tally marks, and place value.
ABCya
Ab Cya: Sum of All Dice
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...
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Addition, Subtraction Within 1000 With Word Problems to 100
A guide to support parents as they work with their students in addition and subtraction within 1000 with word problems to 100.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Sums and Differences to 20
A guide to support parents as they work with their students in sums and differences to 20.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Number Pairs, Addition and Subtraction to 10
A guide to support parents as they work with their students in number pairs, addition and subtraction to 10.
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Rational Expressions
Learn how to add and subtract rational expressions.
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...