Curated OER
How Do You Figure Out a Percent of Change?
First identify the parts of the word problem. Next identify the variable, decide what formula to use, figure out the quantities, insert the quantities into the equation, and now solve. There are many parts to solving this word problem so...
Virtual Nerd
How Do You Use an Equation to Find a Part of a Whole?
Watch the instructor change a percent into a decimal and multiply it by the original number to determine the percent. One idea would be to embed this video in a PowerPoint presentation, or assign it as homework with your flipped...
Virtual Nerd
How Do You Find the Intersection of Percent Data by Using a Venn Diagram?
When you first read this word problem it seems pretty daunting. The instructor explains how to identify the variables, how to convert percentage to whole numbers, and how to set up the problem and solve it. She uses a Venn diagram as a...
Curated OER
How Do You Use an Equation to Find a Whole?
The teacher shows how to break down this problem by first identifying all the terms. After changing the percent to a decimal, she shows how to set up the equation using the terms. Lastly, she solves the equation using the division...
Curated OER
How Do You Figure Out Whether a Percent of Change is an Increase or a Decrease?
Another word problem to figure out. Well, first off you are trying to figure out the percent of something and this means your formula will be a proportional equivalent. Once you have the known terms in the correct places you can figure...
Curated OER
What's a Percent Proportion?
Here's a quick look at percentages as proportions. Percentages really are looking at numbers as a part of a whole, so it makes sense to look at it as a proportion. And how do you write proportion? You write proportions like a fraction,...
Curated OER
What is the Percent Equation?
What number is 40% of 30? Learn the formula and be able to figure out all of the percent problems. The instructor demonstrates the basic formula. Then she shows how and where to plug in the numbers according to what the problem is asking...
Curated OER
What's a Percent of Change?
Learners who view this video will gain a stronger understanding of percent of change. This 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
What is the Formula for Simple Interest?
I=prt is the formula for 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 calculations.
Curated OER
How Do You Figure Out 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 out their total cost, including sales tax, with this video. Using an example of a pair of...
Curated OER
How Do You Figure Out the Price of a Marked Up Item?
Inflation and higher fuel costs means airplane tickets will cost more to the consumer. So here is a word problem that presents a real-world situation. Figure out the total price for an airplane ticket that has increased by 30% from the...
Curated OER
How Do You Turn a Percent into a Decimal?
Remember how to convert percentages to decimals? No? Move the decimal to the right? Move the decimal to the left? Need a quick review? Then watch this video.
Curated OER
How Do You Turn a Percent Into a Fraction?
Change decimals to percent, fractions to decimals, percentages to fractions, etc. Remember how to do all of these conversions? It gets so confusing. Move the decimal to the right? Make it a fraction over 100? Multiply by? Oh my! So watch...
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
Finding the Whole from a Percent
He draws, problem solves, and uses proportions to show how to determine how to find a whole from a percent. Good problem solving strategies are at work in this video on percent. This is a good video for learners with a basic...
Virtual Nerd
How Do You Solve a More Complicated Interest Problem?
This word problem on simple interest has a bit of a twist. When you read this word problem it boggles the mind. I know, it boggled mine. But never fear, the instructor takes you through this seemingly complicated interest problem...
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.
Math TV
Math tv.com: Basic Mathematics: Basic Percent Problems
A math teacher and several students guide you through solving a collection of basic problems involving percents. Watch videos for step-by-step solutions to questions, such as, "What number is 15% of 63?" and "25 is 40% of what number?"...
Sophia Learning
Sophia: Mixed Numbers
This lesson will introduce mixed numbers, fractions, decimals and percents. The video describes how to convert mixed numbers, fractions, decimals and percents, and includes real-world practice problems.
Math Mammoth
Math Mammoth: How to Calculate Sales Tax
Demonstrates how to determine a total price that includes the sales tax. [8:19]
Math Mammoth
Math Mammoth: A Beginner Lesson on How to Calculate Simple Interest
See how to perform calculations involving interest rates. [9:28]
Math Mammoth
Math Mammoth: Equations With Percentages: Pre Algebra Lesson
In this lesson, students are shown how to convert percentages into decimal form in order to write simple equations for solving word problems. [5:45]
Math Playground
Math Playground: Changing Fractions and Decimals to Percentages
This video illustrates how to convert fractions and decimals into percentages.
Virtual Nerd
Virtual Nerd: How Do You Use Compatible Numbers to Estimate a Part of a Whole?
Follow along with this tutorial to see how to use compatible numbers to estimate the percent of a number. [2:27]