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Application of Literal Equations
G 8 - 10 (Algebra I, Geometry Students)
This lesson introduces students to the practical use of literal equations—formulas that include multiple variables—and teaches them how to apply their understanding of these equations to solve for their desired quantity in a given context.
Rather than just solving for numbers, students learn how formulas function as tools in science, geometry, and everyday life.
The lesson culminates with students creating their own real life scenario that revolves around a literal equation.Approximate time needed: 60 minutes
Standards MS CCRS MS CCRS: A-CED.4 and N-Q.1
MS-CCRS-A-CED.4:Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations. For example, rearrange Ohm’s law, V = IR, to highlight resistance, R.*
MS CCRS-N-Q.1: Use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays.
What Comes with The Lesson?
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Video Lesson
15-minute video lesson
Dr. Erin Horne -
Lesson Plan PDF
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Materials List
Computer/tablets for students
Dry erase markers and individual whiteboards
1 set of scenario cards per pair of students
1 student work page for each student
1 build your own scenario worksheet per pair of students
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Literal Equations Scenario Cards and Student Work Page
To accompany lesson
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Build Your Own Scenario Worksheet
To accompany lesson