Unit Plan
Khan Academy

Khan Academy: Equivalent Expressions With Negative Numbers

For Students 6th - 8th Standards
Practice identifying equivalent expressions involving the addition and subtraction of negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Texas Instruments

Texas Instruments: Addition of Whole Numbers

For Teachers 9th - 10th
This StudyCards stack enables students to review basic addition of positive and negative integer numbers. They are tested on their ability to add positive numbers, negative numbers and numbers in parenthesis.
Unit Plan
Khan Academy

Khan Academy: Ordering Negative Number Expressions

For Students 6th - 8th Standards
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...
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Khan Academy

Khan Academy: Adding Negative Numbers Review

For Students 7th
Review the basic of adding negative numbers and try some practice problems.
Activity
Interactive Mathematics

Interactive Mathematics: Integers: Negative Numbers

For Students 9th - 10th Standards
Explore the world of negative numbers as you look at their relationship to positive numbers, integers, absolute value and more. Test your knowledge using he exercises and games provided.
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Khan Academy

Khan Academy: Equivalent Expressions With Negative Numbers and Variables

For Students 7th Standards
Practice equivalent expressions with negative numbers and variables.
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Khan Academy

Khan Academy: Integers: Negative Numbers: Number Opposites

For Students 5th - 7th Standards
Students take a quiz over the concept of integer opposites, also known as additive inverses. After answering each question they are given feedback. Hints are available but affect the score. If students are still struggling with the...
eBook
Houghton Mifflin Harcourt

Holt, Rinehart and Winston: Homework Help Independent Practice: Integer Addition

For Students 9th - 10th
Get independent practice adding integers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
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Mr. Martini's Classroom

Mr. Martini's Classroom: Negative Number Addition Subtraction Quiz

For Students 3rd - 8th Standards
Learners can test their knowledge of adding and subtracting positive and negative numbers with this interactive quiz.
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McGraw Hill

Glencoe: Self Check Quizzes 2 Adding Integers

For Students 9th - 10th
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...
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McGraw Hill

Glencoe: Self Check Quizzes 3 Adding Integers

For Students 9th - 10th
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...
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McGraw Hill

Glencoe: Self Check Quizzes 1 Adding Integers

For Students 9th - 10th
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...
Handout
Help Algebra

Help algebra.com: Addition & Subtraction of Real Numbers

For Students 9th - 10th Standards
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.
Lesson Plan
OER Commons

Oer Commons: The Effects of Positive & Negative Numbers

For Students 7th Standards
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.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Add and Subtract With Negatives

For Students 9th - 10th Standards
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.
Unit Plan
Khan Academy

Khan Academy: Signs of Sums

For Students 6th - 8th Standards
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.
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Math Slice

Math Slice: Addition: Math Worksheets

For Students Pre-K - 1st Standards
This tool allows you to create worksheets where students solve addition equations at varying levels of difficulty.
Lesson Plan
Organization for Community Networks

Ofcn Lesson Plan: Bean Toss

For Teachers 9th - 10th Standards
OFCN lesson to help learners understand the concept of adding and subtracting positive and negative numbers.
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Knowledge Share

Super Kids: Addition and Subtraction Worksheet Creator

For Teachers 3rd - 8th
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...
Activity
Lizard Point Quizzes

Lizard Point: Addition Practice

For Students Pre-K - 1st Standards
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...
Activity
Washington State University

Washington State University: Real Numbers

For Students 9th - 10th Standards
This site from Washington State University provides properties and rules of addition and multiplication that help with proofs.
Activity
Education Place

Houghton Mifflin: Eduplace: Kids' Place Mathematics

For Students Pre-K - 1st
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,"...
Activity
Education Place

Houghton Mifflin: Eduplace: Kids' Place Mathematics

For Students Pre-K - 1st
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,"...
Activity
Other

Math Game Time: Adding Multiple Integers

For Students 7th
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.