Curated OER
How Do You Graph the Intersection of Two Inequalities?
Intersection. Isn't that where paths cross? And so it is in math also. Observe the teacher as she draws a number line and plots two inequalities on it. She then explains how to get the intersection of these two lines. Then she draws...
Curated OER
What is the Formula for Compound Interest?
View this tutorial for more than just a description of the formula for compound interest! An instructor goes through a problem, showing how to find simple interest and compound interest. After she completes each version, she explains the...
Khan Academy
Multi-Step Inequalities
Complete an algebra lesson with this video on evaluating and solving multi-step inequalities. Sal Khan completes several practice problems, explaining his process while exemplifying strong teaching skills. Each problem is different and...
Curated OER
Stereoisomers, Enantiomers, Diastereomers, Constituational Isomers And meso Compounds
Sal works through a list of examples that demonstrate and review the different types of compound classification.
Curated OER
Stereoisomers, Enantiomers, Diastereomers, Constitutional Isomers and Meso Compounds
Sal works through a list of examples that demonstrate and review the different types of compound classification.
Curated OER
How Do You Use Addition to Solve an Inequality Word Problem?
Word problems. Inequalities. Money. What? Does Marissa have enough money left in her bank account to go to the movies? One variable, two given amounts. Set up this inequality to determine how much Marissa needs to have in her bank...
Curated OER
How Do You Solve an Inequality by Dividing by a Negative Number?
With an enthusiastic instructor who writes clear steps on a whiteboard, this video demonstrates how to solve an inequality by dividing by a negative number. What makes this video stronger is the second part of the video, in which the...
Curated OER
How Do You Write an Inequality from a Number Line Graph?
The instructor demonstrates how to read a number line graph to write an inequality. There are several steps involved which are explained clearly.
Curated OER
How Do You Graph an Inequality on a Number Line?
The teacher shows how draw a number line and graph an inequality using an open circle. She also shows how to graph a set of numbers on a number line.
Corbett Maths
Error Intervals
Rounding a number sometimes creates more problems. A video lesson explains the error intervals for rounded and truncated numbers. The narrator expresses the error as a compound inequality and uses a number line as a reference.
Curated OER
How Do You Solve an Inequality by Dividing by a Negative Number?
With an enthusiastic instructor who writes clear steps on a whiteboard, this video demonstrates how to solve an inequality by dividing by a negative number. What makes this video stronger is the second part of the video, in which the...
National Education Association
Determining Domain and Range
Introduce the concept of domain and range with a video that starts with the formal definitions of the domain and range and moves on to the practical descriptions used to determine them. The presentation explains how to find the domain...
Curated OER
What's the Addition Property of Inequality?
The addition property of inequality is just like the addition property of equality. They each state that whatever is added to one side of the equation or inequality must be added to the other side. Watch this video and see how the...
Curated OER
How Do You Solve an Inequality Using Addition?
Use the addition property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.
Curated OER
How Do You Solve an Inequality Using Subtraction?
Use the subtraction property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.
Curated OER
How Do You Use Subtraction to Solve an Inequality Word Problem?
Don't be afraid of this word problem because it has an inequality. There is only one variable and this inequality can be solved in one step. It's pretty straightforward.
SciShow
IDTIMWYTIM: "Organic"
About 18 percent of the human body is carbon, yet carbon found in its pure form in nature forms graphite and diamonds, which are nonliving things. The narrator explores the word organic, explaining how its meaning in science has changed...
American Chemical Society
How Does Adderall™ Work?
How does taking a drug designed to speed the body up calm a brain that's working too fast already? Health scholars examine the effects of Adderall and other amphetamine compounds using a video from the American Chemical Society's...
Curated OER
How Do You Find the Probability of a Complement and a Probability for Consecutive Years?
Probability, place, and time. There is a lot going on in this real-world word problem. I highly recommend watching this video to see how the instructor sorts out and sets up all the information to solve this problem. Take notes and pay...
Curated OER
How Do You Solve an Inequality Using Addition?
Use the addition property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.
Curated OER
How Do You Solve an Inequality Using Subtraction?
Use the subtraction property of inequality to solve this problem. It's just a one-step solution and then the instructor shows how to write the answer in set builder notation.
Curated OER
How Do You Graph an Inequality or an Infinite Set on a Number Line?
The teacher shows how draw a number line and graph an inequality using an open circle. She also shows how to graph a set of numbers on a number line.
Curated OER
How Do You Solve a Quadratic Inequality by Graphing?
You might be familiar with graphing a quadratic equation but what about a quadratic inequality? This video walks you through an example of graphing a quadratic inequality by first graphing a quadratic equation using factoring to find the...
Curated OER
How Do You Find a Union and Intersection from a Venn Diagram?
Is there a difference between the union of sets and the intersection of sets? The teacher uses a Venn diagram to illustrate how to determine what makes a union and what makes an intersection of sets.