Alabama Learning Exchange
Alex: Positively f.u.n. !
This instructional activity will actively engage students to identify and add positive and negative integers. In cooperative groups, students will discuss everyday vocabulary that will activate students' existing background knowledge and...
Sophia Learning
Sophia: Concise Langauage: Reframing Negatives
This slideshow lesson focuses on the reasons to reframe negatives in your writing and how to do so. It provides examples and suggests using negatives sparingly only to caution your reader.
Khan Academy
Khan Academy: Ordering Negative Number Expressions
Practice solving challenging negative number addition and subtraction problems. Number line models, variables, and absolute value come together to push your knowledge of negative numbers even deeper (maybe even below zero!). Students...
Khan Academy
Khan Academy: Adding & Subtracting Negative Numbers
Practice solving addition and subtraction problems with integers (positive and negative numbers). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding Negative Numbers
Practice adding positive and negative single-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Mr. Martini's Classroom
Mr. Martini's Classroom: Negative Number Subtraction Flashcards
Students solve positive and negative number subtraction problems on these interactive flashcards. The problem changes color when the correct number is typed.
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: Interpreting Negative Number Statements
Practice problems interpreting negative number statements.
Khan Academy
Khan Academy: Negative Number Addition and Subtraction: Word Problems
Negative number addition and subtraction: word problems
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 Integers With Counters
What are opposites and what happens when you add them together? Students work with counters to model adding and subtracting integers.
McGraw Hill
Glencoe: Self Check Quizzes 2 Comparing and Ordering Integers
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of comparing and ordering integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
McGraw Hill
Glencoe: Self Check Quizzes 1 Integers
Use Glencoe's randomly generated self-checking quiz to test your knowledge of 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 the...
Common Sense Media
Common Sense Media: Keeping Games Fun and Friendly
Social interaction is part of what makes online gaming so popular and engaging for kids. But online communication can come with some risks. This instructional activity helps students understand how to keep their gaming experiences fun,...
PBS
Pbs: Multiplying and Dividing With Negatives
Deepen your understanding of multiplication and division of rational numbers. This interactive exercise focuses on the rules for finding the products and quotients of positive numbers, negative numbers, and fractions and then finding the...
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.
Khan Academy
Khan Academy: Negative Number Addition and Subtraction: Word Problems
Practice solving word problems with negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Mangahigh
Mangahigh: Number: Add and Subtract With Integers
Add and subtract positive and negative numbers.
Other
Msjc: Lesson: The Opposite and the Reciprocal Assignment: The Opposite
Explore opposites and reciprocals through positive and negative numbers and fractions.
Khan Academy
Khan Academy: Negative Numbers, Variables, Number Line
Practice comparing positive and negative numbers by thinking about their positions on the number line. Numbers to the right are greater than numbers to the left. Students receive immediate feedback and have the opportunity to try...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Multiplying and Dividing Signed Numbers
Here is a site that clearly and thoroughly explains multiplying and dividing signed numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who...
Mr. Martini's Classroom
Mr. Martini's Classroom: Negative Number Division Cards: Fill in the Blank
Students type the correct positive or negative number to complete the division problems on these interactive flashcards. The problem changes color when the correct number is typed.
Khan Academy
Khan Academy: Ordering Negative Number Expressions
In this exercise, students practice ordering expressions. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.