Percent applications are presented in this unit. Topics include percent and proportions, discount and sale price, simple interest, commission, sales tax and percent change. Use of our free demo lessons signifies your agreement to our terms and conditions.

Lesson	Access	Description
Percent and Proportions		Students will solve problems of the form "One number is some percent of another number." by identifying the given information, setting up a proportion, and solving for the unknown value.
Discount and Sale Price		Students will find the discount and sale price of an item. The discount rate is given as a percent or as a fraction.
Simple Interest		Students compute simple interest on a loan or on an investment. Examples illustrate how to compute interest when the time is given in months or in years.
Commission		Students will compute straight commission as a percentage of sales.
Sales Tax		Students will compute sales tax as a percentage added to the buyer's cost. Examples include tax rates such as 8.375%.
Percent Change		Students will understand changes in a value over time through percent increase and percent decrease problems.
Practice Exercises		To complete 10 additional exercises as practice. To assess students' understanding of all concepts learned so far.
Challenge Exercises		To solve 10 additional problems that challenge students' understanding of all topics covered in this unit. To hone students' problem-solving skills.
Solutions		To review complete solutions to all exercises presented in this unit. Includes the problem, step-by-step solutions, final answer for each exercise.

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