CK-12 Foundation
The Real Numbers: Adding Electrons
Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge. 
Education Development Center
Geography of the Number Line
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and...
EngageNY
End-of-Module Assessment Task: Grade 7 Module 2
Learners demonstrate their ability to operate with rational numbers through a five-question assessment that includes questions ranging from simple operations with integers to solving two-step equations with rational coefficients. 
Utah Education Network (UEN)
Operations with Rational Numbers
Add an engaging resource to your lessons on rational numbers and watch your pupils' understanding multiply. Learners determine rules for adding, subtracting, multiplying, and dividing integers. Individuals then extend these rules to all...
CK-12 Foundation
Properties of Real Number Addition: The Secret of Subtraction
Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...
Curated OER
Integer War Game
Review adding, subtracting and multiplying integers using this activity. Learners play a game using a deck of cards in which the black ones are positive and the red ones are negative. They add, subtract, etc . . . based on the...
Curated OER
Adding and Subtracting with Negative Integers
Young scholars add and subtract using negative integers. In this negative integers lesson plan, students listen to examples provided by the teacher and then complete problems where they add and subtract negative integers.
Curated OER
Addition & Subtraction Properties With Integers
Sixth graders use a number line to solve addition and subtraction problems.  In groups, they play a game of "Human Number Line Relay."  They use a deck of cards to randomly create addition and subtraction equations and physically walk a...
Curated OER
Two Digit Subtraction - Negative Numbers
In this subtraction worksheet, learners complete four pages of negative number, vertical subtraction. They work with double digit numbers in all 36 problems which can be completed online and printed out.
Curated OER
Using Integers to Show Differences
In this integer worksheet, learners use integers to show differences in temperatures by solving 7 short word problems. They find the differences in 7 more equations.
Curated OER
Addition And Subtraction of Integers
In this math worksheet, students solve the problems using addition and subtraction with integers. They pay special attention to the signs.
Curated OER
Addition And Subtraction of Integers
In this math worksheet, students solve the problems using the operations of addition and subtraction with integers. They pay attention to the signs while performing computations.
Curated OER
Addition With Integers
Eighth graders investigate the concept of combing integers using addition. They begin to comprehend the connection of addition and subtraction. Students also review the concept of positive and negative numbers.
Curated OER
Addition and Subtraction
In this addition and subtraction instructional activity, students complete addition and subtraction problems that contain negatives, brackets, and more. Students complete 10 problems.
Curated OER
Review of Adding and Subtracting Integers
Eighth graders review adding and subtracting of integers. The class makes a number line from -10 to 10 and practice adding and subtracting by "acting out" the math problems. Students play a card game using the number cards from a regular...
Curated OER
Simple Integer Subtraction
In this mathematics worksheet, 2nd graders solve a number of problems by subtracting simple integers from each other. There are 42 problems to solve on the sheet.
Curated OER
Integer Subtraction
In this integer subtraction worksheet, 6th graders solve eight columns of twelve problems each using positive and negative numbers.
Curated OER
Adding and Subtracting Integers Two
In this addition and subtraction worksheet, students add and subtract one and two digit numbers including negative numbers. Students complete 120 problems.
Curated OER
Math Trails - Subtraction
In this subtraction worksheet, 5th graders follow the math trail in each of four puzzles. They use only subtraction to work through the puzzle to find the answer that is shown in the gray box. They work with negative numbers while...
Curated OER
Ms. Wiehler's Spring Chalet Dinner Specials
In this integer instructional activity, students play a credit/ debit game, complete 2 worksheets with addition and subtraction of integers, and answer a story problem. 
Curated OER
Order of Operations With Integers 1
In this math worksheet, 5th graders work problems involving multiple step problems. Students complete twenty problems using addition, subtraction, multiplication, and division all with integers.
Curated OER
Order of Operations With Integers 2
In this math worksheet, 5th graders work problems involving multiple step problems. Students complete twenty problems using addition, subtraction, multiplication, and division all with integers.
Curated OER
Dividing with Fractions
Use paper strips or models to relate division problems to division of fraction problems. Since the materials can be broken up, it helps them to show how they can complete repeated subtraction with fractions and not just whole numbers.
Curated OER
Weather In The World
Students investigate the weather in different places in the world. In this algebra lesson, students use technology to gain an understanding of how to study integers. They add and subtract integers on a number line.