**[expand title=”Relating the Unit Rate and Constant of Proportionality”]**

*Essential Question:*

7.RP.2d

**Discussion**

- How are the constant of proportionality and the unit rate alike?

** Example 3**

d. To the nearest egg, how many eggs would you need to make one crepe for every student at SRMS?

Lesson 7 Problem Set

**Exit Ticket**

Glencoe: 4-10 Ex 1 (1-4, 7-10)

[/expand]

**[expand title=”Representing proportional relationships with an equation”]**

*Essential Question: Can you use the constant of proportionality in an equation to represent a real world example?*

7.RP.2b

**Warm up**

** Example 1: Do we have enough gas to make it to the gas station?**

**Discussion**

** Example 2: Andrea’s Portraits (Group Work)**

*Assingnment: Lesson 8 Problem Set*

**Exit**

**Lesson 9**

*Essential Question: Can you use the constant of proportionality in an equation to represent a real world example?*

7.RP.2c

**Warm up**

**Discussion**

- Which makes more sense: to use a unit rate of “ears of corn per dollar” or of “dollars/cents per ear of corn”?
- Based on the previous question, which would be the independent variable?
- Which would be the dependent variable and why?
- How do you write an equation for a proportional relationship in a generic form?

**Summary**

*Assignment: *Lesson 9 Problem Set

**Exit**

[/expand]

**[expand title=”Understanding how to find k from y=kx“]**

*Essential Question: Can we identify the unit rate from a graph of a proportional relationship?*

7.RP.2d

Grandma’s Special Chocolate Chip Cookie recipe, which yields 4 dozen cookies, calls for 3 cups of flour.

- Create a table based upon this relationship.
- Find the values for at least 3 additional quantities of cookies.

** Example 2 (Partner Work)**

**Discussion**

- What quantity is measured along the horizontal axis?
- When you plot the ordered pair (A, B), what does A represent?
- What quantity is measured along the vertical axis?
- When you plot the point (A, B), what does B represent?
- What is the unit rate for this proportional relationship?
- How is the unit rate related to the graph?

*Assignment: Lesson 10 Problem Set*

**Exit**

[/expand]