Need help downloading the question sets below? Click here.   Percent     Lesson 7-1 Understanding Percent Lesson 7-2 Fractions, Decimals, and Percents Lesson 7-3 Problem-Solving Skill: Writing to Explain Lesson 7-4 Mental Math: Finding a Percent of a Number Lesson 7-5 Estimating with Percents Lesson 7-6 Finding a Percent of a Number Lesson 7-7 Problem-Solving Strategy: Solve a Simpler Problem Lesson 7-8 Sales Tax and Discounts Lesson 7-9 Percent of Increase and Decrease Lesson 7-10 Simple Interest