This resource includes two worksheets with answer keys. Each worksheet has 3 word problems. Worksheet 1 - Percent Increase or DecreaseStudents practice solving word problems related to percent change. Worksheet 2 - Exponential Growth and DecayStudents practice solving word problems with exponential functions. Want more? Click here to check out this editable resource on compound interest rates.Click here to check out maze activities that will help students practice finding the percent of a w