Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Integer Addition
Get independent practice adding integers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Mr. Martini's Classroom
Mr. Martini's Classroom: Negative Number Addition Subtraction Quiz
Learners can test their knowledge of adding and subtracting positive and negative numbers with this interactive quiz.
McGraw Hill
Glencoe: Self Check Quizzes 2 Adding Integers
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of adding integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
McGraw Hill
Glencoe: Self Check Quizzes 3 Adding Integers
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
McGraw Hill
Glencoe: Self Check Quizzes 1 Adding Integers
Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button and...
Help Algebra
Help algebra.com: Addition & Subtraction of Real Numbers
Using a number line, the technique for adding and subtracting real numbers is demonstrated. Notation and calculator use is also touched on at the end of the lesson.
OER Commons
Oer Commons: The Effects of Positive & Negative Numbers
Seventh graders explore what happens to a hot air balloon when they add or remove units of weight or heat. This activity is an informal exploration of addition and subtraction with positive and negative integers.
Varsity Tutors 
Varsity Tutors: Hotmath: Algebra Review: Add and Subtract With Negatives
Find a quick, concise explanation of how to add and subtract with negatives. Step by step examples are included to help you understand how to find the sum or difference when negative numbers are involved.
Khan Academy
Khan Academy: Signs of Sums
Practice determining whether the sum of two numbers is positive, negative, or zero. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Slice
Math Slice: Addition: Math Worksheets
This tool allows you to create worksheets where students solve addition equations at varying levels of difficulty.
Organization for Community Networks
Ofcn Lesson Plan: Bean Toss
OFCN lesson to help learners understand the concept of adding and subtracting positive and negative numbers.
National Council of Teachers of Mathematics
Nctm: Illuminations: Volt Meter
As you put the different type of batteries on the volt meter pay attention to the voltage equations in the table. See how positive and negative numbers interact.
Knowledge Share
Super Kids: Addition and Subtraction Worksheet Creator
Create your own addition/subtraction math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and...
Virtual Nerd
Virtual Nerd: Recognize Opposite Signs of Numbers
Use the number line to recognize the opposite of a number.
PBS
Pbs: The Number Line: Rational Numbers and Football
In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....
Lizard Point Quizzes
Lizard Point: Addition Practice
Practice several different levels of difficulty of addition problems from single digit all the way up to 3 digit with regrouping. You can also choose single digit addition with negative numbers. When you are finished you can print your...
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]
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson is for students to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson will be related to the 300 Spartans who battled the invading Persians at the Battle of Thermopylae,...
Washington State University
Washington State University: Real Numbers
This site from Washington State University provides properties and rules of addition and multiplication that help with proofs.
Education Place
Houghton Mifflin: Eduplace: Kids' Place Mathematics
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Education Place
Houghton Mifflin: Eduplace: Kids' Place Mathematics
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Cuemath
Cuemath: Integers
The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...
Other
Math Game Time: Adding Multiple Integers
A worksheet for practicing the addition of positive and negative numbers up to 20. An answer key is provided. The printable file can be accessed through the 'Click Here' link at the bottom of the worksheet.
Oswego City School District
Regents Exam Prep Center: Signed Numbers
This tutorial on signed numbers features lesson plans, practice pages, examples, application problems, and interactive work. Teacher resources include overhead manipulatives, card games, a Bingo game, and graphing calculator downloads.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
