Drag Racer Dragonfly

Ratios and Proportional Relationships

This lesson gives students the opportunity to work with situations that represent three types of rate problems:

1. How much time? In this situation, students need to determine how long it takes the dragonfly to fly a specific distance.
2. How far? Here, students need to find the distance the dragonfly flew in a given time.
3. How fast? In this case, students need to figure out the rate at which the dragonfly is flying.

Learning Objectives:

• Determine whether two quantities are in a proportional relationship.
• Solve problems by determining missing values in a proportional relationship.
• Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships.

Common Core State Standards for Mathematics:

The Lesson Plan:

Lesson Plan

Slides

Handouts

meet the team!

Strategic Education Research Partnership
1100 Connecticut Ave NW #1310  •  Washington, DC  20036
serpinstitute.org  •  (202) 223-8555  •  info@serpinstitute.org

Project funding provided by The William and Flora Hewlett Foundation and S.D. Bechtel Jr. Foundation