10.19.2020 Unit 3 Lesson 5

10.19.2020 Unit 3 Lesson 5

PEAR DECK TIME

Vocabulary:

• Constant of Proportionality - the constant value of the ratio that relates an input and output in a proportional relationship. Represented by k. Calculated by dividing the independent variable ,y, by the dependant variable, x.

Do Now: 4 minutes

STEP 1: Unit rate  $\frac{y}{x}$  of every point.  STEP 2: Simplify Unit Rate (divide). Step 3: Compare: Proportional (same) or Nonproportional (different)

Multiple Choice

Is there a proportional relationship between the distance Dakota drives apassenger and the amount the passenger is charged?

• Yes

• NO

Open Ended

Explain:

Multiple Choice

Is there a proportional relationship between the number of miles Marcela can run and the number of practices she attends?

• Yes

• No

Fill in the Blanks

What is the unit rate pf miles Marcela can run and the number of practices she attends?

INM: Lets work on it together!

• STEP 1: Unit rate  $\frac{y}{x}$  of every point.

•  STEP 2: Simplify Unit Rate (divide).

•  Step 3: Compare: Proportional (same) or Nonproportional (different)

Multiple Choice

What is the first step to solve question number 2?

• Add

• Subtract

• Multiply

• Divide

Open Ended

What will you divide?

Multiple Choice

Is the relationship proportional?

• Yes

• No

Multiple Choice

What is the constant of proportionality (unit rate) of question #2?

• 30

• 15

• 25

• 20

Fill in the Blanks

How many gallons of gas would you consume if you drove 175 miles?

Page 35:

• STEP 1: Unit rate  $\frac{y}{x}$  

• STEP 2: Simplify Unit Rate (divide).

•  Step 3: Compare: Proportional (same) or Nonproportional (different)

Multiple Choice

1. Is it a proportional relationship?

• Yes

• No

Fill in the Blanks

What is the constant of proportionality?

Multiple Choice

Is it a proportional relationship?

• Yes

• No

Fill in the Blanks

What is the constant of proportionality?

Multiple Choice

Is it a proportional relationship?

• Yes

• No