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Unit 5 - Direct and Inverse Variation

Algebra 1

 Unit 5: Direct and Inverse Variation

Approximately 10 days

 

By the end of this unit you should be able to say I CAN…

5.1  Define the constant k of a direct variation.

5.2  Write the equation of a direct variation given an ordered pair, chart, graph, mapping, set of data, or the constant k. (5.1&5.2 - 2 days)

5.3  Define the constant k  of an inverse variation.

5.4  Write the equation of an inverse variation given an ordered pair, chart, graph, mapping, set of data, or the constant k.  (5.3&5.4 - 2 days)

5.5  Determine if a chart, graph, mapping, set of data, or equation represents a direct or inverse variation. ( 1 day)

5.6  Use direct and inverse variation to model real world applications and solve word problems. (3 days)

Review and Exam (2 days)

 

 

Embedded within all modules  are the following learning targets

  • Recognize units given or needed to solve problem
  • Determine if the solution to a multi-step problem is reasonable using given units
  • Choose appropriate units to represent a problem when using formulas or graphing.
  • Interpret units or scales used in formulas or represented in graphs.
  • Use units as a way to understand problems and to guide the solution of multi-step problems.