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This lesson provided by:
Author:Teonna Mills
System: Jefferson County
School: Irondale Middle School
Lesson Plan ID: 24137

Integers Are Rising and Falling Everywhere! Adding and Subtracting Integers


Students will expand from the idea of not only identifying signed numbers but to use them for numerical operations.
This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.

Content Standard(s):
MA2015(5) 18. Convert among different-sized standard measurement units within a given measurement system (e.g., convert 5 cm to 0.05 m), and use these conversions in solving multistep, real-world problems. [5-MD1]
MA2015(6) 8. Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level, credits/debits, positive/negative electric charge); use positive and negative numbers to represent quantities in real-world contexts explaining the meaning of 0 in each situation. [6-NS5]
MA2015(7) 4. Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram. [7-NS1]
Local/National Standards:

Students will use various strategies and operations to solve problems involving real numbers. ACOS #1(Numbers and Operations)

Primary Learning Objective(s):

Apply mathematical calculations and reasoning to solve problems.

Additional Learning Objective(s):

Students will review positive and negative numbers. Students will learn the rules for adding and subtracting integers. Students will learn how to add and subtract integers using a number line. Students will be exposed to integer multiplication.

Approximate Duration of the Lesson: 31 to 60 Minutes
Materials and Equipment:

The practice worksheets can be found here: Integer Worksheets. (Choose which range of integers you want to students to practice adding and subtracting.)

Technology Resources Needed:

Access to computer lab Multimedia projector


Students should be able to interpret a number line. You will need to install the Java application in order to view videos, applets, etc.

1.)Introductory Activity: Facilitate a review of signed numbers and have the students to answer the summarization questions. Mrs. Glosser's Math Goodies -Integers

2.)To expand connection to the lesson, have students watch the teaching video: Adding and Subtracting Integers. After the video, group the students in male and female pairs. Pass out the 'Integers Worksheet'. Students work together to complete problems. Special Note: The assignment may be modified at your discretion.

3.)Students go to the board to display the answers to the problems. Observe student responses. Answer any questions or comments.

4.)Students go to the computer lab (Math Lab) for progress check. The teacher may determine which scores meet mastery levels for the addition and subtraction concepts.

Attachments:**Some files will display in a new window. Others will prompt you to download.
Assessment Strategies:

Math Lab
Students check their comprehension and skills with the following self-assessment application.


Students will use integer addition to explore modular arithmetic (time) and discover any patterns that result.


Students practice adding and subtracting integers using a number line. Integer Practice

Each area below is a direct link to general teaching strategies/classroom accommodations for students with identified learning and/or behavior problems such as: reading or math performance below grade level; test or classroom assignments/quizzes at a failing level; failure to complete assignments independently; difficulty with short-term memory, abstract concepts, staying on task, or following directions; poor peer interaction or temper tantrums, and other learning or behavior problems.

Presentation of Material Environment
Time Demands Materials
Attention Using Groups and Peers
Assisting the Reluctant Starter Dealing with Inappropriate Behavior

Be sure to check the student's IEP for specific accommodations.
Variations Submitted by ALEX Users:
Alabama Virtual Library
Alabama Virtual Library

Hosted by Alabama Supercomputer Authority
The University of Alabama at Birmingham
The University of Alabama at Birmingham
The Malone Family Foundation
The Malone Family Foundation
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