Use one-dimensional calculations to make them two-dimensional. An application question provides a perimeter and a relationship between the length and width of a rectangle. The video tutorial demonstrates how to write an equation for the perimeter, determine the dimensions, and then calculate the area.

Concepts

linear modeling, math modeling, linear equations writing

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Measure the dimensions of the classroom to use as a model for the perimeter of a rectangle
• Have pupils create a picture prior to writing equations

Classroom Considerations

• Learners must be able to solve multi-step linear equations

• This video is hosted on YouTube

Pros

• Makes it simple for students to watch and re-watch as needed
• Lesson provides organized notes

Cons

• None

Common Core

SL.8.2 SL.9-10.2 RST.6-8.8 RST.9-10.8