Curated OER
What's the Multiplication Property of Inequality?
Applying the multiplication property of inequality is just like working with linear equations. What is done on one side of the equation needs to be done on the other side of the equation. So this rule can be applied to inequalities. In...
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Professor Freedman's Video Snippets Multiply/divide Integers
Professor Ellen Freedman uses this very short video to explain how to multiply and divide positive and negative numbers. She offers specific tips on how to do this and have the correct positive or negative sign for the answer.
Math Antics
Math Antics: Integer Multiply and Divide
Gain a basic understanding of multiplying and dividing integers by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [9:50]
Study Pug
Study Pug: Multiplying and Dividing Monomials
In this video, you will learn about multiplying and dividing polynomials. Furthermore, you will see how to use polynomial multiplication and division to solve unknowns such as side length and surface area of polygons. [1:34]
Khan Academy
Khan Academy: Multiplying and Dividing Negative Numbers
A video showing the rules of multiplying and dividing negative numbers.
Virtual Nerd
Virtual Nerd: Why Can't You Divide by 0?
Why can't you divide by 0?. Watch this tutorial to find out why. [1:36]
Khan Academy
Khan Academy: Multiplying Positive and Negative Numbers
A video of basics of multiplication with negative numbers.
Virtual Nerd
Virtual Nerd: How Do You Figure Out the Sign of a Product or Quotient?
Explains the rules for how to tell whether the answer to a multiplication or division problem should have a positive or negative sign. [2:40]
PatrickJMT
Patrick Jmt: An Introduction to Solving Inequalities Ex 1
Video tutorial provides an introduction to solving inequalities. Reminder-if you multiply or divide by a negative number, the inequality flips direction. [2:40]
Sophia Learning
Sophia: Reversing the Sign in Inequalities: Lesson 2
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 2 of 9 in the series titled "Reversing the Sign in Inequalities."
Sophia Learning
Sophia: Reversing the Sign in Inequalities: Lesson 3
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 3 of 9 in the series titled "Reversing the Sign in Inequalities."
Sophia Learning
Sophia: Reversing the Sign in Inequalities: Lesson 7
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 7 of 9 in the series titled "Reversing the Sign in Inequalities."
Sophia Learning
Sophia: Reversing the Sign in Inequalities: Lesson 1
During this lesson, you'll see how to multiply or divide by a negative number in order to solve an algebraic inequality. It is 1 of 9 in the series titled "Reversing the Sign in Inequalities."