Corbett Maths
Negatives: Addition and Subtraction
There are no negatives in learning about negative numbers. Scholars review how to add and subtract integers by watching a short video. They first see how to use a number line to determine the sum or difference, then learn to apply...
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...
Virtual Nerd
What is the Opposite, or Additive Inverse, of a Number?
Teach your class about the additive inverse! Using examples first and a definition second, this video explains what the additive inverse it and how to find the additive inverse of any given number or variable. A quick concept review for...
Virtual Nerd
What is Absolute Value?
As long as you keep in mind that there is no such thing as negative distance, then you will know the meaning of absolute value. The teacher writes on a white board to explore integers on a number line, give a definition of absolute...
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: Algebra: Sum of Consecutive Odd Integers
This video demonstrates how to set up a linear equation in order to find three consecutive odd integers that add up to 231. It also shows how to solve the equation. [4:33]
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]
Khan Academy
Khan Academy: Inverse Property of Addition
The simple idea that a number plus its negative is 0. [2:59]
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: 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.
Math Mammoth
Math Mammoth: Adding Integers: Counters, Number Line, Different Signs, Rules
This lesson reviews how to add integers using counters and a number line, then models how to solve addition of several positive and/or negative numbers, and explains the rules to know for integer addition. [8:51]
Imagine Learning Classroom
Learn Zillion: Add Integers Using a Number Line
In this lesson, you will learn how to add integers by using a number line. [1:53]
Imagine Learning Classroom
Learn Zillion: Multiply Positive and Negative Integers Distributive Property
Learn about the rules for multiplying a positive integer by a negative integer by using the distributive property. [3:55]
Other
Algebra2go: Division With Negative Numbers
Video tutorial demonstrates the process of dividing with negative numbers. [5:11]
Other
Algebra2go: Addition and Subtraction
In this video tutorial, Professor Perez uses number lines and mathematical expressions to visually review addition and subtraction. [7:42]
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]
Other
Algebra2go: Additive Inverse and Absolute Value
Video tutorial reviews the concepts of additive inverse (opposite) and absolute value using a number line. [7:39]
Other
Algebra2go: Absolute Value and the Opposite
Absolute value is presented as representing distances on a number line. The concept of opposite (additive inverse) is also demonstrated on a number line. Professor Perez provides an explanation of this in his virtual classroom. [8:26]
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.