Search for tag: "percent"

Finding the final amount in a word problem on compound interest

This video gives the formula for calculating compound interest and then demonstrates how to calculate the future amount after a given number of years.

From  Tom Grant 11 plays 0  

Solving a percent mixture problem using a linear equation

Shows how to organize the information given in words using a chart. This allows you to use the percent formula to show how the columns are combined to then find an equation to solve for the answer,

From  Tom Grant 52 plays 0  

Finding the percentage increase or decrease: Advanced

This video shows how to compute the percentage of a price increase. A price decrease is worked the same way and the percentage is taken of the first and higher price.

From  Tom Grant 11 plays 0  

Finding the original price given the sale price and percent discount

Explains the pitfalls that you need to know about to correctly do this problem. It is not as easy as it seems at first glance, so pay close attention to this video.

From  Tom Grant 21 plays 0  

Finding the total cost including tax or markup

Uses the technique of adding the percentages fiirst before multiplying so that the answer is immediate.

From  Tom Grant 10 plays 0  

Finding a percentage of a total amount without a calculator: Sales tax, commission, discount

Just finding the amount of increase or decrease in these types of percent problems.

From  Tom Grant 8 plays 0  

Applying the percent equation: Problem type 1

Using the proportion %/100 = Amount/Base to plug in what's given to find what is asked for.

From  Tom Grant 14 plays 0  

Finding a percentage of a whole number without a calculator: Basic

Just some tricks to break down a percentage if your phone battery goes dead and you don't have a calculator.

From  Tom Grant 15 plays 0  

Finding a percentage of a whole number

Multiplying the decimal version of a percent by a number to find that percentage amount.

From  Tom Grant 10 plays 0  

Converting a fraction to a percentage: Denominator of 20, 25, or 50

Fraction conversions that are simpler than they look.

From  Tom Grant 9 plays 0  

Converting a fraction to a percentage: Denominator of 4, 5, or 10

Conversions using money as a way to think them through.

From  Tom Grant 12 plays 0  

Converting between percentages and decimals

Quick look at how to work it both ways

From  Tom Grant 21 plays 0