The Percentage of Change Worksheet Package includes three double-sided worksheets and their keys. The Percentage of Increase Proficiency Practice worksheet allows students to practice calculating percentage of increase using Craigslist sales and a school fundraiser. The Percentage of Decrease Proficiency Practice gives students the opportunity to calculate percentage of decrease using a going-out-of-business sale at a sporting goods store. The Simple Interest Proficiency Practice worksheet p
The Simple Interest Skills Exam assesses only the skills involved in computing Simple Interest. This is called a ‘skills’ exam because it targets the mathematical skill of calculation only. This is not a multiple-choice exam in an effort to keep the rigor high, yet it is designed to make grading quick and easy. Students may use calculators to avoid silly errors but avoid calculators with a % key so that students must show that they can convert a percentage to a decimal. Students with poor equat