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: Equivalent Expressions With Negative Numbers
Equivalent expressions examples with negative numbers.
Khan Academy
Khan Academy: Adding Integers With Different Signs
Adding integers with different signs.
Sophia Learning
Sophia: Negative Numbers and Powers
This video lesson explains the difference between a negative number raised to a power and a power multiplied by a negative number. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Negative Numbers and Powers
This video tutorial describes the difference between a negative number raised to a power and a power multiplied by a negative number. Students can check their understanding with an assessment.
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.
BBC
Bbc: Skillswise: Negative Numbers
This Skillswise site focuses on negative numbers. Included are a video about why learning how to use negative numbers is important, fact sheets and worksheets for instruction, and quizzes on the information presented. The Skillswise...
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]
Khan Academy
Khan Academy: Multiplying Negative Numbers
A video showing how to multiply negative numbers.
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.
Khan Academy
Khan Academy: Adding and Subtracting Negative Numbers
Adding and subtracting negative numbers.
Khan Academy
Khan Academy: Why a Negative Times a Negative Makes Intuitive Sense
A video showing the repeated addition model of multiplication to think about multiplying negative numbers.
Other
Organic Chemistry Tutor: Addition and Subtraction of Numbers
This video provides a basic introduction to mathematics, in particular, the process of addition and subtraction of positive and negative numbers using a number line or by hand. It contains plenty of examples and practice problems on...
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...
Loyola University Chicago
Math Flix: Reading and the Coordinate Plane
This video provides an introduction to all four quadrants of the coordinate plane. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept. [5:28]
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...
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]
Loyola University Chicago
Math Flix: Integers: Why We Need Integers
This QuickTime movie explains why we need 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 interact it helps...
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.