An inquiry-based algebra instructional activity explores real-world applications of linear functions. Scholars investigate four different situations that can be modeled by linear functions, identifying the rate of change, as well as the strength and direction of correlation, for each context.

Concepts

linear functions, linear equations applications, linear modeling, linear motion, rate of change, slope-intercept form, domain, range

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Use one or more of the activities as performance assessment tasks

Classroom Considerations

• Some activities need graphing calculator software and a Calculator-Based Ranger™
• Internet access is necessary if using outside sources for data

Pros

• Includes separate worksheets for each activity
• Word problems cover a variety of contexts

Cons

• None

Common Core

8.F.B.4 8.SP.A.2 8.SP.A.3 HSF-LE.A.2 HSS-ID.B.6.a HSS-ID.B.6.c HSS-ID.C.7 MP1 MP4