Ratios
UNIT 2 • LESSON 3MORE ABOUT CONSTANT OF PROPORTIONALITY
There are two ways of thinking about this proportional relationship.
- Setting the Stage
- 3.1: Equal Measures
- 3.2: Centimeters and Millimeters
- Are You Ready For More?
- 3.3: Pittsburgh to Phoenix
- Summary
- Understand that tables of equivalent ratios represent proportional relationships between the two corresponding quantities.
- Understand relationships between rows and between columns in tables of values that represent proportional relationships.
- Understand and use the terms proportional relationship and constant of proportionality.
- Identify the constant of proportionality for a proportional relationship represented by a table.
- Demonstrating that I know what it means for two figures to have the same area.
- Being able to explain how to find the area of a figure that is composed of other shapes.
- Demonstrating that I know how to find the area of a figure by decomposing it and rearranging the parts.
- If you know the length of something in centimeters, you can calculate its length in millimeters.
- Complete the table.
- What is the constant of proportionality?
- If you know the length of something in millimeters, you can calculate its length in centimeters.
- Complete the table.
- What is the constant of proportionality?
- How are these two constants of proportionality related to each other?
- Complete each sentence:
- To convert from centimeters to millimeters, you can multiply by ________.
- To convert from millimeters to centimeters, you can divide by ________ or multiply by ________.