Percent Problems involving Simple Interest

Videos, worksheets, and solutions to help Grade 8 students learn how to solve percent problems involving simple interest.

What is the Simple Interest Formula?
Simple Interest = principal × rate × time
I = P × r × t

How to use the Simple Interest Formula? Solve word problems using the "interest" formula, which states: interest = principal × rate × time In this tutorial, we demonstrate how to use the formula for simple interest, I = Prt. Understanding Simple Interest and Compound Interest
This video makes clear the difference between simple interest and compound interest.