Virtual Nerd
Virtual Nerd: How Do You Turn an Integer Into a Fraction?
Watch this video tutorial to see how to turn any integer into a fraction. Just put that integer as the numerator of a fraction with a denominator of 1. [3:57]
Khan Academy
Khan Academy: Adding Integers With Different Signs
Adding integers with different signs.
Khan Academy
Khan Academy: Mixed Numbers and Improper Fractions: Points on a Number Line
This video shows how to plot fractions, negative numbers, decimals, and fractions on a number line.
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: Induction: Alternate Proof to Induction for Integer Sum
Another way to prove the expression for the sum of all positive integers.
Khan Academy
Khan Academy: Dividing Positive and Negative Numbers
A video showing the basics of dividing integers.
Khan Academy
Khan Academy: More Equation Practice: 2003 Aime Ii Problem 1
Solving step by step a word problem dealing with a product of three positive integers equal to six times their sum.
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
Sophia Learning
Sophia: Rational Numbers and Integers
Determine how rational numbers are related to integers, whole numbers, natural numbers, and more using a number line.
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.
Virtual Nerd
Virtual Nerd: How Do Different Categories of Numbers Compare to Each Other?
See how the different categories of numbers all relate to one another by watching this tutorial. [6:05]
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]
Other
Algebra2go: Classifying Real Numbers
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]
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.
Mucho Math
Algebra2go: Subtraction on a Base 10 Abacus
This video gives students a visual representation of base 10 subtraction using an abacus while mirroring traditional hand written calculations.
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: Absolute Value: Absolute Value of Integers
This video explains that an absolute value of an integer is its distance from zero.
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: Why a Negative Times a Negative Makes Intuitive Sense
A video showing the repeated addition model of multiplication to think about multiplying negative numbers.
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...