Khan Academy
Khan Academy: Negative Numbers, Variables, Number Line
Given a, b, and c shown on the number line, Sal determines if statements like -b < c are true. [4:54]
Khan Academy
Khan Academy: Negative Number Basics: Ordering Negative Numbers
A video showing ordering negative numbers from least to greatest on a number line.
Khan Academy
Khan Academy: Why Subtracting a Negative Equivalent to Adding a Positive
Intuition as to why subtracting a negative number is equivalent to adding the absolute value of that number
Virtual Nerd
Virtual Nerd: What Is the Opposite, or Additive Inverse of a Number
This short video tutorial explains how to find the additive inverse of a number. It provides a definition and examples of the skill.
Imagine Learning Classroom
Learn Zillion: Understand the Relationship Between Two Negative Numbers
In this lesson, you will learn about the relationship between two negative numbers by finding their location on a number line. [4:02]
Imagine Learning Classroom
Learn Zillion: Understanding Positive and Negative Numbers Using Elevations
In this video, you will learn how to use positive and negative numbers by thinking about situations with elevations. [3:11]
Math Mammoth
Math Mammoth: Subtracting a Negative Integer: Three Models to Justify the Rule
This lesson introduces the topic of subtracting negative integers. It explains how to think about it and some strategies to use when subtracting them. [10:38]
Other
Algebra2go: Subtracting Negative Numbers
This video attempts to explain subtracting negative numbers using a number line while emphasizing that "taking away" any quantity from its identical self must result in zero. [6:07]
Mucho Math
Algebra2go: Introduction to Subtraction
Subtraction is visually demonstrated on a number line. Negative numbers are included in this video.
Khan Academy
Khan Academy: Adding and Subtracting Negative Numbers
Adding and subtracting negative numbers.
Khan Academy
Khan Academy: Negative Number Basics: Negative Numbers Introduction
This video shows how to think about and represent negative numbers using a number line.
Khan Academy
Khan Academy: Multiplying Positive and Negative Numbers
A video of basics of multiplication with negative numbers.
Khan Academy
Khan Academy: Multiplying and Dividing Negative Numbers
A video showing the rules of multiplying and dividing negative numbers.
Khan Academy
Khan Academy: Adding Numbers With Different Signs
Demonstrates how to use a blank number line to add three 2-digit positive and negative numbers. [5:33]
Loyola University Chicago
Math Flix: Integers: Four Ways to Teach Addition
This QuickTime movie teaches four different ways to add integers - positive and negative numbers. A pdf worksheet is available by clicking on the hyperlink at the bottom of the page. As you watch and listen to the teacher and student...
Loyola University Chicago
Math Flix: Integers: Adding Integers
This QuickTime movie teaches several different ways to add integers - positive and negative numbers. A pdf worksheet is available by clicking on the hyperlink at the bottom of the page. As you watch and listen to the teacher and student...
Other
Math Snacks: Number Rights
Whole numbers are no better than any others! Practice plotting values on the number line as a passionate activist rises up and demands equity for all numbers, including fractions and decimals. A teaching guide with printable resources is...
Math Antics
Math Antics: Negative Numbers
Mathantics offers video tutorials on various math topics. This video introduces the concept of negative numbers. [8:26]
PBS
Pbs Math Club: Adding Negative Numbers
Introducing adding positive and negative integers, additive inverses, visualizing addition with a number line, and the commutative property of addition the Math Club parodies Star Wars and Mean Girls. [5:16]
PBS
Pbs Math Club: What Is an Integer?
This episode of Math Club defines integers, explains the difference between positive and negative numbers, shows how integers are represented on a number line, and demonstrates how to determine integers with greater value. [4:30]
Other
Professor Freedman's Video Snippets Add/subtract Integer
Professor Ellen Freedman uses this very short video to explain how to add and subtract positive and negative integers. She offers tips on how to keep track of whether the answer is positive or negative.
Khan Academy
Khan Academy: Subtracting a Negative = Adding a Positive
Explains why subtracting a negative number is in fact the same thing as adding a positive number. [1:33]
Loyola University Chicago
Math Flix: Integers and the Number Line Part 2
This QuickTime movie provides more information about the basic concept of integers, positive and negative numbers, using the number line. As you watch and listen to the teacher and student interact it helps clarify the thinking behind...
Loyola University Chicago
Math Flix: Integers and the Number Line Part 1
This QuickTime movie provides an introduction to the concept of integers - positive and negative numbers. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.