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Curated Video
Converting Percents to Fractions
In this video, the teacher explains how to convert percents to fractions by using the concept that a percent represents a whole divided into 100 equal parts. They provide examples and strategies for simplifying fractions, making it...
Curated Video
Converting Fractions to Percents: Using the Identity Principle of Multiplication
In this lesson, students will learn how to convert fractions to percents by multiplying them by 100%. The teacher explains the concept by demonstrating the steps and providing examples. Students are encouraged to simplify the fractions...
Visual Learning Systems
The Atmosphere: the Atmosphere
Students will learn about the different layers of the atmosphere. The changes in the atmosphere are explained using examples of contemporary environmental conditions brought about by human behavior. The oxygen cycle and the carbon cycle...
Why U
Algebra 29 - Understanding Percentages
Percentages are one method of describing a fraction of a quantity. The percent is the numerator of a fraction whose denominator is understood to be one-hundred.
Curated Video
Calculating Percent of Increase and Decrease Using Proportions
This video provides examples and step-by-step instructions on how to determine the percentage of change by comparing the original amount to the new amount. It also emphasizes the importance of using the correct starting or original...
Education Development Center
What's Cooking? Water
What a fresh approach to learning about water! Chef Jamika Pessoa explains the chemical composition of this vital compound, what happens when heat is added or removed, and how much water is contained in different organs and...
Curated OER
How Do You Set Up a Percent Proportion From a Word Problem?
So x amount of people were surveyed and 68 of them said algebra was their favorite subject. Set up a percent proportion to identify the number of people surveyed. That's often the hardest part, setting up the equation. So observe the...
Curated OER
How Do You Mentally Find Percents That are Powers of 10?
Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!
Curated OER
How Do You Use Compatible Numbers to Estimate a Part of a Whole?
What are compatible numbers? What are they used for? Is it like estimating? Is it like rounding numbers? The teacher will answer these questions and explain how to use compatible numbers.
Curated OER
How Do You Figure Out How Much Something is Marked Down?
Trying to figure out how much something is marked down? There are a few steps to get your answer so follow along and watch as the instructor takes you through the process.
Curated OER
How Do You Solve a Proportion Using Cross Products?
Cross multiply and solve for the unknown variable in this proportion problem. Then use the division property of equality to isolate that variable and get your solution.
Curated OER
What's a Percent?
Percent is the number of something per 100. It can be written with a percent sign (%), or as a decimal, or as a fraction- a number over 100.
Curated OER
How Do You Turn a Fraction Into a Percent?
A percent is a value over 100. You are given a fraction and need to make it a percent. Some calculations will need to be made to find an equivalent fraction. The instructor shows you how to make those calculations to the numerator and...
Curated OER
How Do You Use the Formula for Compound Interest?
Money, money, money. Love it! You want to earn interest on what you put into your bank account. So you make an investment to earn compound interest and you want to know how much money you will have in 60 months. Well, there's a formula...
Curated OER
How Do You Solve a Word Problem Using a Percent Proportion?
Create a percent proportion using the given values in this word problem. Not sure how to set that up? Then watch this short video and see how the teacher sets up this percent proportion according to the given values.
Curated OER
Solving Word Problems with Percents
There are 20 kids on a bus, 60% of them have blue backpacks. How many is this? The teacher shows how to solve a percentage word problem using proportion ratios.
Curated OER
Percent Tip
How much am I supposed to tip for this meal? Many have asked this question. The instructor uses a visual to first set up the known numbers and then writes the ratios to solve the problem.
Curated OER
Percent Tax
Learn how to set up a proportion to determine how much additional tax you have to pay for an item.
Curated OER
Percent Discount
The concept of percent discount is very clearly explained in this informative tutorial. Learners will work through a real life discount problem using algebraic reasoning and a clearly outlined procedure. This is a good video.
Curated OER
What's a Percent of Change?
Learners who view this video will gain a stronger understanding of percent of change. The tutorial provides a formula and a sample problem. As the tutor completes the example, she explains and clarifies each step that she takes to find...
Curated OER
How Do You Figure Out the Price of an Item With Sales Tax?
Sales tax always increases the price of your purchases. How can you figure out how much you'll be paying in full? Teach your class how to figure our their total cost, including sales tax, with this video. Using an example of a pair of...
Curated OER
How Do You Use the Formula for Simple Interest?
I=prt is the formula for simple interest. What does each variable represent? I =interest, p =amount originally invested, r =rate of interest (usually in percent), t =time. Now all you have to do is plug in the numbers and do the...
Curated OER
How Do You Mentally Find Percents That are Powers of 10?
Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!
Virtual Nerd
How Do You Figure Out the Volume of a Solution Using Percents?
A word problem, chemistry, and percent? I know you want to throw your hands in the air and run away from this problem, but please don't. Pay close attention as the instructor helps you unpack this word problem to set up an equation that...