Instructional Video
Khan Academy

Khan Academy: Dividing Positive and Negative Numbers

3rd - 8th Standards
A video showing the basics of dividing integers.
Instructional Video
Khan Academy

Khan Academy: More Equation Practice: 2003 Aime Ii Problem 1

9th - 10th
Solving step by step a word problem dealing with a product of three positive integers equal to six times their sum.
Instructional Video
Khan Academy

Khan Academy: Why Subtracting a Negative Equivalent to Adding a Positive

6th - 9th Standards
Intuition as to why subtracting a negative number is equivalent to adding the absolute value of that number
Instructional Video
Sophia Learning

Sophia: Rational Numbers

9th - 10th Standards
Explore a rational number and what makes it rational.
Instructional Video
Sophia Learning

Sophia: Rational Numbers and Integers

9th - 10th Standards
Determine how rational numbers are related to integers, whole numbers, natural numbers, and more using a number line.
Instructional Video
Virtual Nerd

Virtual Nerd: What Is the Opposite, or Additive Inverse of a Number

6th - 8th Standards
This short video tutorial explains how to find the additive inverse of a number. It provides a definition and examples of the skill.
Instructional Video
Virtual Nerd

Virtual Nerd: How Do Different Categories of Numbers Compare to Each Other?

9th - 10th
See how the different categories of numbers all relate to one another by watching this tutorial. [6:05]
Instructional Video
Imagine Learning Classroom

Learn Zillion: Add Integers Using a Number Line

7th Standards
In this lesson, you will learn how to add integers by using a number line. [1:53]
Instructional Video
Other

Algebra2go: Classifying Real Numbers

9th - 10th Standards
In this video tutorial, Professor Perez uses a real number line to demonstrate integers, natural numbers, rational and irrational numbers, and whole numbers. [8:17]
Instructional Video
Khan Academy

Khan Academy: Multiplying Negative Numbers

3rd - 8th Standards
A video showing how to multiply negative numbers.
Instructional Video
Khan Academy

Khan Academy: Why a Negative Times a Negative Is a Positive

6th - 8th Standards
A video showing why negative number products are defined in the way they are.
Instructional Video
Mucho Math

Algebra2go: Introduction to Subtraction

1st - 6th Standards
Subtraction is visually demonstrated on a number line. Negative numbers are included in this video.
Instructional Video
Mucho Math

Algebra2go: Subtraction on a Base 10 Abacus

9th - 10th
This video gives students a visual representation of base 10 subtraction using an abacus while mirroring traditional hand written calculations.
Instructional Video
Khan Academy

Khan Academy: Negative Number Basics: Negative Numbers Introduction

9th - 10th Standards
This video shows how to think about and represent negative numbers using a number line.
Instructional Video
Khan Academy

Khan Academy: Absolute Value: Absolute Value of Integers

9th - 10th Standards
This video explains that an absolute value of an integer is its distance from zero.
Instructional Video
Khan Academy

Khan Academy: Multiplying Positive and Negative Numbers

9th - 10th Standards
A video of basics of multiplication with negative numbers.
Instructional Video
Khan Academy

Khan Academy: Multiplying and Dividing Negative Numbers

3rd - 8th Standards
A video showing the rules of multiplying and dividing negative numbers.
Instructional Video
Khan Academy

Khan Academy: Why a Negative Times a Negative Makes Intuitive Sense

9th - 10th Standards
A video showing the repeated addition model of multiplication to think about multiplying negative numbers.
Instructional Video
Loyola University Chicago

Math Flix: Integers: Four Ways to Teach Addition

3rd - 8th Standards
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...
Instructional Video
Study Pug

Study Pug: Understanding the Number Systems

9th - 10th Standards
Numbers can be categorized more specifically into different number systems, for instances, natural numbers, whole numbers, integers, rational numbers, and irrational numbers. In this video, you will learn how to classify numbers into...
Instructional Video
Study Pug

Study Pug: Multiplying Fractions and Whole Numbers

5th - 7th Standards
This video walks you through the four main steps when multiplying fractions with whole numbers. Includes explanations, examples and practice problems. [1:00]
Instructional Video
Math Antics

Math Antics: Adding and Subtracting Integers

6th - 8th Standards
In this video, students can learn about adding and subtracting integers. [11:23]
Instructional Video
Math Antics

Math Antics: Negative Numbers

4th - 6th Standards
Mathantics offers video tutorials on various math topics. This video introduces the concept of negative numbers. [8:26]
Instructional Video
PBS

Pbs Math Club: What Is an Integer?

4th - 9th Standards
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]