Lesson Plan
Illustrative Mathematics

Comparing Freezing Points

For Teachers 6th - 7th Standards
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. 
Lesson Plan
Illustrative Mathematics

Mile High

For Teachers 5th - 7th Standards
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...
Lesson Plan
Curated OER

Distances Between Houses

For Teachers 6th - 8th Standards
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...
Lesson Plan
Illustrative Mathematics

Bookstore Account

For Teachers 6th - 8th Standards
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...
Lesson Plan
Illustrative Mathematics

Operations on the Number Line

For Teachers 7th - 9th Standards
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...
Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Lesson Plan
Illustrative Mathematics

Shrinking

For Teachers 6th - 8th Standards
Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.
Lesson Plan
Illustrative Mathematics

It's Warmer in Miami

For Teachers 5th - 7th Standards
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...
Assessment
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California Education Partners

Least and Greatest

For Students 7th Standards
Squares can be magic. Pupils use their knowledge of addition of positive and negative rational numbers to create a 3 X 3 magic square where the sums are 1. Scholars create addition and multiplication expressions with a set of rational...
Assessment
EngageNY

Mid-Module Assessment Task: Grade 7 Module 2

For Students 7th Standards
A seven-question assessment determines how well your learners understand the procedures to add, subtract, multiply, and divide signed rational numbers. Pupils show their understanding through problem-solving situations. 
Lesson Plan
Curated OER

Domains

For Teachers 9th - 12th Standards
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...
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Khan Academy

Khan Academy: Subtracting Negative Numbers Intro

For Students 6th - 8th Standards
In this exercise, students practice subtracting negative numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Khan Academy

Khan Academy: Adding & Subtracting Negative Numbers

For Students 7th Standards
Practice solving addition and subtraction problems with integers (positive and negative numbers).
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Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 7th
Practice adding and subtracting negative fractions, decimals, and percents.
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Khan Academy

Khan Academy: Equivalent Expressions With Negative Numbers and Variables

For Students 7th Standards
Practice equivalent expressions with negative numbers and variables.
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Khan Academy

Khan Academy: Adding & Subtracting Negative Fractions

For Students 7th
Practice adding and subtracting positive and negative fractions.
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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.
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Khan Academy

Khan Academy: Combining Like Terms With Negative Coefficients & Distribution

For Students 9th - 10th
Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers.
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McGraw Hill

Glencoe: Self Check Quizzes 2: Subtracting Integers

For Students 9th - 10th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of subtracting integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
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McGraw Hill

Glencoe: Self Check Quizzes 1 Subtracting Integers

For Students 9th - 10th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of subtracting integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
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Khan Academy

Khan Academy: Negative Number Addition and Subtraction: Word Problems

For Students 7th Standards
Negative number addition and subtraction: word problems
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Khan Academy

Khan Academy: Interpreting Negative Number Statements

For Students 7th Standards
Practice problems interpreting negative number statements.
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Common Core Sheets

Common Core Sheets: The Number System 7.ns.1b Worksheets

For Teachers 7th
Print or create worksheets or flashcards to assess students' understanding of adding and subtracting positive and negative numbers using a number line.
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Common Core Sheets

Common Core Sheets: The Number System 7.ns.1a Worksheets

For Teachers 7th
Create a worksheet to assess students understanding of adding and subtracting with negative and positive numbers.