Illustrative Mathematics
Comparing Freezing Points
Subtracting negative numbers can be confusing to your middle schoolers. Here, they are able to draw a number line and put their answer in sentence form to check their understanding of negative numbers.
Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as they...
Curated OER
Negative Numbers
Sixth and seventh graders investigate the concept of negative numbers. The lesson begins with a review of positive numbers and progresses to the various operations with negative numbers. The lesson includes dialogue for the teacher to...
Curated OER
Summing Integers: Positive and Negative
Students view a Cyberchase video and participate in a calculation of points exercise. In this summing of positive and negative integers, students calculate the principal character points to see if he can qualify for a contest.
Henrico County Public Schools
Models for Teaching Addition and Subtraction of Integers
Positive and negative numbers are everywhere in the world around us. Whether it's charged particles in atoms, a hot air balloon rising and falling in the sky, or a series of bills and checks being delivered in the mail, this resource...
Curated OER
Football Math
Develop an understanding of positive and negative numbers using football. Pupils create a football field and game pieces. The teacher gives plays and the pupils move pieces to see who wins the game.
Curated OER
Number: Negative Numbers
Pupils solve numerical equations with negative numbers. They use the number line to compare the relationship of numbers greater than zero to those less than zero. They practice starting at various points on the number line and then...
Curated OER
Adding & Subtracting (Combining) Integers
Maintain a positive atmosphere in your math class with this fun lesson on adding and subtracting integers. After first explaining the rules for combining positive and negative numbers, this resource uses a comic strip to guide students...
Curated OER
Lesson Plan Positive and Negative Numbers- An Introduction with Addition and Money
Students discover the significance of positive and negative numbers when working with money. In this addition and money lesson plan, students connect positive and negative numbers to money, solve practical examples together, and practice...
Curated OER
Playing Math Fever
Pupils complete activities to learn notation and uses for positive and negative numbers. In this number system activity, learners play a game similar to Jeopardy to learn how to solve problems with positive and negative numbers.
Curated OER
Using Integer Tiles
Demonstrate how to add and subtract positive and negative numbers using tiles. Pupils complete a variety of activities on a worksheet, including mixed addition and subtraction problems, subtracting and adding opposites, and magic squares...
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
The Complex Numbers
For this algebra worksheet, students solve 16 problems involving imaginary numbers. In the first three, students find the square root of 3 negative numbers in terms of i. Nine problems involve addition, subtraction, multiplication and...
Curated OER
Adding and Subtracting With Negative Numbers
Students solve equations with negative numbers. In this addition and subtraction lesson, students review how to add and subtract with positive and negative numbers on a number line. Students discuss the outcomes of adding two negative...
Curated OER
Placing Negative Numbers On A Number Line
Fifth graders review the concept of negative numbers and how the are placed on a number line. After the review, 5th graders practice placing negative numbers on a number line in a whole class setting.
Curated OER
Using Negative Numbers
Sixth graders practice using negative numbers by completing number equations. In this math problem solving lesson, 6th graders discuss the different ways negative numbers can be used in a math problem and practice completing equations...
Curated OER
Distances Between Houses
This resource sneaks in the math so your learners will be adding and subtracting positive and negatives on a number line while thinking they are mapping out houses. The activity starts by putting houses the appropriate distance away from...
Curated OER
Interesting Integers
Upper elementary and middle schoolers practice solving addition and multiplication problems with positive and negative numbers. They use a number line initially to help find a solution.
Curated OER
Unlocking the Secrets of Math: Simple Steps to Becoming a Better Mathematician
Help your students remember math tricks and rules. Review working with positive and negative numbers, decimals, and the order of operations in this engaging presentation.
Curated OER
Adding and Subtracting With Negative Numbers
Fifth graders access prior knowledge of calculating using a number line. In this adding and subtracting with negative numbers lesson plan, 5th graders use a number line to solve math problems.
Curated OER
Positive-Negative Charge Model For Integers
Use two different colors of bingo chips to represent positive and negative charges. Add and subtract them in a clear glass beaker to demonstrate how to add and subtract integers. This visual, along with a number line, will really help...
PBS
Adding Integers
Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...
Curated OER
Order Numbers On a Number Line
Fifth and sixth graders study the use of a number line to add integers and they observe a teacher demonstration of how to add integers on a number line. Afterward, they construct a number line and use the number line to solve addition...
Curated OER
Positive and Negative Integers: A Card Game
Students play an integer card game similar to the game "Twenty-five." In this integer lesson, students use addition and subtraction cards to identify integers as positive or negative.