Lesson Plan
Better Lesson

Better Lesson: Adding and Subtracting Integers on a Number Line

For Teachers 6th Standards
Sixth graders work with a number line and football to model adding and subtracting integers.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Differences of Integers Using Absolute Value

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Subtract integers by using opposites
Unit Plan
Khan Academy

Khan Academy: Negative Number Addition and Subtraction: Word Problems

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

Khan Academy: Substitution With Negative Numbers

For Students 6th - 8th Standards
Practice plugging in values to evaluate negative number addition and subtraction expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Doina Popovici

Math Play: Subtracting Integers Math Racing Game

For Students 6th - 8th
Get practice solving integer subtraction problems with this math racing game.
Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Number Line With Negative Integers

For Students 3rd - 8th Standards
Students identify, compare, add, subtract, and multiply integers using a number line.
Activity
Other

Numberpower: Integers

For Students 9th - 10th
Numberpower answers "What are integers?", "What is a positive integer?", and "What is a negative integer?". You will also find integer multiplication, integer addition, and integer subtraction rules, with examples.
Unknown Type
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.
Unit Plan
Khan Academy

Khan Academy: Algebra: Arithmetic With Polynomials and Rational Expressions

For Students 9th - 10th Standards
Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication i.e. one can add, subtract, and multiply polynomials.
Lesson Plan
University of South Florida

Fcat: Human Number Line: Teacher Notes

For Teachers 5th - 7th Standards
This activity allows students to physically create a number line and work on adding and subtracting integers. This lesson can be adapted to include other concepts with real numbers.
Unit Plan
Math Medics

S.o.s. Math: Simple Fractions

For Students 3rd - 8th Standards
This S.O.S. tutorial gives students a basic review of simple fractions. Follow the tutorial to refresh your skills involving simple fraction manipulations. Each section contains problems with links to the answers.
Unit Plan
Shmoop University

Shmoop: Basic Operations: Subtracting Integers

For Students 9th - 10th Standards
Students learn how to subtract integers. The resource consists of notes, detailed examples, and practice problems with solutions.
Activity
Texas Instruments

Texas Instruments: Gaining or Loosing Yards in Football

For Teachers 6th - 8th
This activity will allow students to use the football field as an interactive model for adding, subtracting, multiplying and dividing integers. Many students are familiar with the gain or lost of yards in the game of football, however...
Unit Plan
PBS

Pbs: The Number Line: Rational Numbers and Football

For Students 6th - 8th
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....
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.
Whiteboard
ClassFlow

Class Flow: Adding and Subtracting Integers

For Teachers 6th - 8th
[Free Registration/Login Required] In this flipchart students watch a video on adding and subtracting integers, take notes, then practice with colored chips and a number line.
Unit Plan
AAA Math

Aaa Math: Subtraction

For Students 1st - 8th Standards
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.
Activity
Wyzant

Wyzant: Simplifying Multiple Signs Worksheet

For Students 9th - 10th Standards
Dealing with multiple positive and negative signs in an algebra equation can be a challenge for some students. This inter-active quiz from WyzAnt provides 20 multiple-sign equations and their answers for students to test their knowledge.
Interactive
Soft Schools

Soft Schools: Fishing Subtraction Game

For Students Pre-K - 1st
Go fishing by catching the fish with the correct answer to a basic subtraction problem. This game is interactive, fun, and the score is kept at the top of the page.
Interactive
Calculator Soup

Calculator Soup: Mixed Numbers Calculator

For Students 9th - 10th
Do math calculations with mixed numbers (mixed fractions) performing operations on fractions, whole numbers, integers, mixed numbers, mixed fractions, and improper fractions. This calculator can add, subtract, multiply and divide mixed...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Differences of Mixed Numbers Without Renaming

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find the difference of mixed numbers with common denominators.
Interactive
PBS

Pbs Learning Media: The Number Line: Rational Numbers and Football

For Students 6th - 8th Standards
Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.