There are a variety of resources provide below to enhance your understanding of ratios and proportions, and plenty of opportunities to practice those skills.

Reading Resources (with practice problems):

• Appendix A (pages A11-A14) in our textbook
• Math Is Fun web page covering Ratios
• Math is Fun web page covering Proportions

Khan Academy section with videos and practice problems for understanding ratios

Khan Academy section with videos and practice problems for understanding proportions

PhET simulation for Ratios and Proportions

Part-to-part and Part-to-whole Ratios Gizmo (with guided practice worksheet)

Videos to review the concepts of ratios and proportions (with practice problems):