 Math, Grade 7
 Proportional Relationships

Identifying Proportional Relationships
 Exploring Numerical Relationships
 Identifying Proportional Relationships
 Defining The Constant Of Proportionality
 Proportional Relationships In Graphs
 Graphing A Table Of Values
 Solving Proportional Relationship Problems
 Expressing Ratios As A Unit Rate
 Identifying Verbal Descriptions
 Formula's Using The Constant Of Proportionality
 Analyzing Proportional Relationship Graphs
 Solution Strategies
 Gallery Problems Exercise
 Connecting Percentage To Proportional Relationships
 Creating Equations, Tables & Graphs
 Percent Increase Problems
 Percent Decrease Problems
 Identifying Errors In Reasoning
 Understanding Percent Change
 Solution Strategies (Feedback)
 Gallery Problems Exercise
Instructor Overview
Students determine whether a relationship between two quantities that vary is a proportional relationship in three different situations: the relationship between the dimensions of the actual Empire State Building and a miniature model of the building; the relationship between the distance and time to travel to an amusement park; and the relationship between time and temperature at an amusement park.
Key Concepts
When the ratio between two varying quantities remains constant, the relationship between the two quantities is called a proportional relationship. For a ratio A:B, the proportional relationship can be described as the collection of ratios equivalent to A:B, or cA:cB, where c is positive.
Goals and Learning Objectives
 Identify proportional relationships.
 Explain why a situation represents a proportional relationship or why it does not.
 Determine missing values in a table of quantities based on a proportional relationship.
Comments
Log in to add comments.