Unit 3 Proportional Reasoning

                                          UNIT 3: Proportional Reasoning

                                                     () – Worksheet/Activity

                                                          --- Assessment

Pre-Algebra

 

Calculating Unit Rate*/Constant of Proportionality (UR = CoP)

(“Which is the better deal?” Problems

Emphasize order: miles per hour vs. hours per mile)

 

Problem Solving Using Proportions

Strategies: Models, Tables, Graphs, Unit Rates, Equivalent Fractions

 

Writing and Solving Proportions

Quiz

 

Testing for Proportionality

(On a Table/Graph) – Section 2.3 and 2.5,

“2.3 Duffy Features” Activity

 

Scale Drawings                    

(“Scale It Up, Scale It Down” with Rectangles)

Quiz

 

Percent Applications:

Discounts

Simple Interest

Sales Tax

Tip

Percent Increase/Decrease

Percent Error

(All should be shown using both equivalent decimal values/equation
as well as proportions)

 

Unit 3 Test