Curated OER
How Do You Solve an Inequality Where You're Multiplying Negative Fractions?
Examine the multiplication property of inequality with this video. An instructor goes through a problem, detailing how to solve an inequality when you need to multiply negative fractions. She defines reciprocal and puts the final...
Curated OER
How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Negative Fractions?
It just doesn't seem right to lose points when answer a question incorrectly. Well, that's what this word problem is all about. So calculate how many incorrect answers the team gave. Don't forget to flip the inequality when dealing with...
Curated OER
How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Positive Fractions?
Ingrid got some good advice from her father about building a bridge out of pasta. Now she has to do some calculations to build a strong pasta bridge. Figure out how tall she can build her bridge based on a given length. Two given values...
Curated OER
What's a Rational Number?
A few examples of numbers, whole, mixed fraction, and decimal, that can be written in fraction form to prove they are rational numbers.
Khan Academy
Khan Academy: Dividing Positive and Negative Numbers
A video showing the basics of dividing integers.
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.
Math Mammoth
Math Mammoth: Division of Integers Basic Lesson for Pre Algebra
This lesson explains how to do integer division and what the rules are for the signs when working with positive and negative numbers. [9:17]
PBS
Pbs Learning Media: I <3 Math
This video series introduces key Common Core concepts in 4th-8th grade mathematics. Each video focuses on building a conceptual understanding of a topic so that students understand the "how" and "why" behind mathematical problem-solving.
Study Pug
Study Pug: Model and Solve One Step Linear Equations
Linear equations which can be solved with a single operation are called one-step linear equations. In this video, you will see how to solve one-step linear equations represented in diagrams and in equation form. [2:15]
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]
Khan Academy
Khan Academy: Algebra: Solving Inequalities
Video giving step-by-step instructions on how to solve inequalities. Example problem includes reversing the inequality when dividing by a negative number. [4:32]
Khan Academy
Khan Academy: Algebra: One Step Equations
This video demonstrates on how to solve a one step equation involving addition, subtraction, multiplication, and division. There are six sample problems that include positive and negative integers, fractions, and decimals. Practice...