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Algebra 1

Linear Functions

Linear equations in two variables are often treated as linear functions. The lessons in this unit develop the concept of the slope of a line, relate slope to rate of change, and explore the relationship among tables, graphs and symbolic representations of a line. The activities include contextual applications of linear functions.

Algebra 1: Linear Functions Activities

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Title Type

Points on a Line

Develop an understanding of the slope of a line.

Alignments  Standards  |  Textbook  
  • 6055

Understanding Slope

Make connections between the sign of the ratio of the vertical and horizontal change as they relate to the sign of the slope.

Alignments  Standards  |  Textbook  
  • 6439

Horizontal and Vertical Lines

Examine the vertical and horizontal changes when moving from one point to another on a line.

Alignments  Standards  |  Textbook  
  • 5138

Slope as Rate

Investigate the idea of slope as rate of change.

Alignments  Standards  |  Textbook  
  • 5557

Two Variable Linear Equations

Investigate a point as the solution to a linear equation in two variables.

Alignments  Standards  |  Textbook  
  • 5037

Graphing Linear Equations

Students investigate how vertical transformations affect the graph and the equation of the line.

Alignments  Standards  |  Textbook  
  • 5502

Rate of Change

Interpret slope as a rate of change.

Alignments  Standards  |  Textbook  
  • 5115

Multiple Representations

Interpret slope as a rate of change in the context of a real-world situation.

Alignments  Standards  |  Textbook  
  • 5423

Dog Days or Dog Years?

Students use ordered pairs, table of values, and a scatter plot to determine a function that represents real world data.

Alignments  Standards  |  Textbook  
  • 6575

Trains in Motion

Compare and contrast the motion of two objects and how it corresponds to distance as a function of time.

Alignments  Standards  |  Textbook  
  • 5180
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