New Mexico State University
Number Rights
You do not have to be whole to be important. Individuals watch a video on the importance of rational numbers on the number line. Scholars use their knowledge to rename numbers on the number line as well as place rationals on a number...
Scholastic
Study Jams! Integers
Stay positive, teaching about integers just got a little easier! Explain how positive and negative numbers are opposites using number lines and real-world examples. The included assessment provides an excellent opportunity to check for...
Krista King Math
Signed Numbers, Addition and Subtraction
Take the fear out of signed numbers. An educational video explains signed numbers as keeping the sign when both are the same, and offers tricks for what to do when one is positive and the other is negative.
Krista King Math
Opposite of a Number
While the standards don't call for negative numbers to be taught before the sixth grade, many students benefit from learning the concept earlier. A video explains what teachers mean by the opposite of a number. It includes absolute...
Math Meeting
Adding and Subtracting - Negative Numbers
Here is a video that adds visual context and a steady stream of step-by-step instructions for adding and subtracting negative integers, with the help of a number line.
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Ordering Negative Numbers
This video shows ordering of negative numbers by relating them to their positions on a number line. Practice problems are available. [2:47]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Adding, Subtracting Negative Numbers
This video teaches addition and subtraction of negative numbers using a number line. Practice problems are available. [9:16]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Negative Numbers Introduction
This video shows how to think about and represent negative numbers using a number line. Practice problems are available. [9:36]
PBS
Pbs Learning Media: I <3 Math: Integers
This video explores positive and negative integers and how we use them in the real world. This "I <3 Math" episode explains the difference between positive and negative numbers and how these numbers can be represented on a number...
Khan Academy
Khan Academy: Adding Numbers With Different Signs
Demonstrates with the help of a number line how to add positive and negative 2-digit numbers. [5:32]
Khan Academy
Khan Academy: Adding & Subtracting Negative Numbers
Demonstrates with the help of a number line how to add and subtract 1-digit negative numbers. [4:06]
Khan Academy
Khan Academy: Intro to Negative Numbers
Explains what negative numbers are and some different contexts where they are used. [9:36]
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: Compare More Than Two Positive or Negative Numbers
In this lesson, you will learn about comparing more than two positive or negative numbers in real-world situations by using a number line. [5:01]
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]
Virtual Nerd
Virtual Nerd: How Do You Add a Negative Number to a Positive Number?
This tutorial explains how to combine a positive and a negative number with a number line. [4:52]
Other
Algebra2go: Multiplying Negative Numbers
Professor Perez's virtual classroom takes a look at how to multiply negative numbers. [4:50]
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]
Khan Academy
Khan Academy: Why a Negative Times a Negative Is a Positive
A video showing why negative number products are defined in the way they are.
Mucho Math
Algebra2go: Introduction to Subtraction
Subtraction is visually demonstrated on a number line. Negative numbers are included in this video.