## Proportional Relationships

The purpose of this lesson is to teach students about proportional reasoning in order to solve real life problems. Students will use the knowledge of ratios, learned in the previous lesson, to solve problems with proportional relationships. Most students will be able to relate to determining grocery prices, mixing cleaning or juice concentrates, driving at a certain speed (miles / hour), etc. Also, students will learn how to use proportional reasoning for recipe conversions, miles per gallon, and money per hour. These skills are important for students to use in their daily lives.

#### GED Content Areas

## Analyze Proportional Relationships (Scale Factors)

The purpose of this lesson is to teach students how to use and determine scale factors for models and maps. The students will realize the importance of scale factors and how they are used in daily life. The students will see how map scales are used in order for us to know how far it is to a destination as well as the importance of scale factors used in construction.

#### GED Content Areas

Number and Ratios