Operations with Percents: Simple Interest & Percent Change


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question 1 of 3

Kathryn borrowed $500 for 2 years from Galen. He charged her 7% interest. How much did Kathryn pay back?

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1. Jordan loans Rebecca $1200 for 3 years. He charges her 4% interest. How much will she need to pay him in interest?

2. A pair of jeans gets marked down from $40 to $32. By what percent did the price get reduced?

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About This Quiz & Worksheet

This quiz and worksheet provide a chance to review your ability to correctly solve problems with percentages. You'll review what you know about percentages and recall how to properly interpret them.

Quiz & Worksheet Goals

Use this quiz and worksheet to test and review:

  • The interest formula with percentages
  • The percentage by which jeans were reduced if they went from $40 to $32
  • Interpreting word problems correctly

Skills Practiced

  • Information recall - revisit what you know about percents to recall the formulas correctly
  • Interpreting information - see if you can correctly interpret what the word problems are asking for and how to solve them
  • Problem solving - use your understanding of interest and percent change formulas to solve sample problems

Additional Learning

Get a more in-depth learning about this topic in the provided lesson, Operations with Percents: Simple Interest & Percent Change. This lesson offers more insight into:

  • Defining simple interest
  • Examples of percent change
  • Formulas for simple interest and percent change
  • Examples of both formulas