Illustrative Mathematics
Operations on the Number Line
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
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...
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.
Gfletchy
Deep Freeze
Warm up to the idea of subtracting integers. After watching a video where the contents of a cup instantly freeze when tossed into the air, pupils estimate the air temperature of Duluth, Minnesota (where the video was made). They then use...
5280 Math
Integer Interpreter
Can you add variables if you don't know their value? Using an empty number line, scholars first locate the position of the difference, sum, product, and quotient of two unknown integers. Later problems mix operations as well as add...
Illustrative Mathematics
It's Warmer in Miami
Brrrr it's cold in Alaska! When given the temperatures of Anchorage and Miami in the winter, your mathematicians will calculate how much warmer it is in Miami. Answer key provides two different solution choices. Great as a warm-up for...
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Curated OER
I.O.U.
Students explore adding and subtracting positive and negative numbers in the context of money. In this computation lesson, students use play money and IOU's to model various mathematical algorithms.
Illustrative Mathematics
Mile High
What is the meaning of sea level? This resource helps your class understand the meaning of elevations above, below, and at sea level. Provides for good discussion on using positive and negative numbers to represent quantities in the real...
Illustrative Mathematics
Bookstore Account
We use debt often to describe negative numbers and your learners will be able to see how it translates into math. They will be asked to go through a series of transactions and make simple equations for each one, following it with a...
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
Curated OER
Domains
Your algebra learners work to address the order of operations applied to an expression's input variable and the limitations that may be created because of it. This simple task of a few very well-chosen exercises is elegant in it's way of...
Oregon Department of Education
Building Number Sense
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding and Subtracting Signed Numbers
Here is a site that clearly and thoroughly explains how to add and subtract signed numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who...
Learning Wave Communications
Learning Wave: Subtracting Integers
The rules of subtracting integers are demonstrated using an example of a credit card balance.
The Math League
The Math League: Integers
This site provides a detailed overview of integers, including positive and negative integers, number lines, absolute values of integers, and comparing integers.
Other
Operations on Integers
MATHguide includes rules for addition/subtraction of integers and multiplication/division of integers in this descriptive lesson on integers.
AAA Math
Aaa Math: Subtracting Negative and Positive Integers
Read through the given information on subtracting negative and positive integers, and try to solve some integer problems.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Integers
Twenty-five problems presented on integer topics: integer operations, integer place value, evaluate expressions and equations with integers. They are given with each step to the solution cleverly revealed one at a time. You can work each...
Mr. Martini's Classroom
Mr. Martini's Classroom: Number Line With Negative Integers
Students identify, compare, add, subtract, and multiply integers using a number line.
Other
Numberpower: Integers
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.
![Math Game Time: Subtracting Multiple Integers [Pdf] Activity](https://content.lessonplanet.com/knovation/original/425048-336697cec197cb85185b11b1541a9a0c.jpg?1661589942 "Math Game Time: Subtracting Multiple Integers [Pdf] Activity")
Google
Math Game Time: Subtracting Multiple Integers [Pdf]
A worksheet to practice subtracting multiple integers. Answer key provided.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Add and Subtract With Negatives
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.
Texas Instruments
Texas Instruments: Gaining or Loosing Yards in Football
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...
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