Chapter 5: Using Ratios, Rates and Proportions Difficulty Level: Basic Created by: CK-12 CK-12 Middle School Math - Grade 7 Read Resources Details Chapter Outline 5.1. Ratios5.2. Rates5.3. Slope5.4. Writing Proportions5.5. Solving Proportions Using Cross Products5.6. Unit Scale5.7. Scale Factor5.8. Problem-Solving Strategy: Use a Proportion; Use Unit Analysis Chapter Summary Image Attributions Description This chapter covers the concepts of ratios, rates and proportions. Also considered are slopes, cross products, and various problem-solving strategies utilizing proportions and unit analysis. Difficulty Level: Basic Authors: Jen Kershaw Tags: CK.MAT.ENG.SE.1.Math-Grade-7.5 cross products problem solving strategies (6 more) proportions rates ratios scale slope unit scale Subjects: mathematics Grades: 7 Date Created: Dec 10, 2014 Last Modified: Jan 14, 2015 You can only attach files to chapter which belong to you If you would like to associate files with this chapter, please make a copy first.