Determine the Unit Rate-Cost for ONE | 6.RP.A.2

The video tutorial explains how to determine unit rates, using examples from 1999 and 2018. It guides viewers through calculating the cost per stamp for each year, demonstrating the process of setting up equivalent ratios and performing long division. The tutorial concludes by comparing the unit rates from both years, highlighting the increase in cost per stamp over time.

What is the definition of a unit rate?

• The total cost of multiple items

• The cost of one item

• The cost of two items

• The average cost of items

How many stamps were sold for $4.95 in 1999?

• 10 stamps

• 15 stamps

• 12 stamps

• 20 stamps

What was the unit rate per stamp in 1999?

• $0.33

• $0.25

• $0.50

• $0.40

How many stamps were sold for $6.00 in 2018?

• 20 stamps

• 15 stamps

• 12 stamps

• 10 stamps

What was the unit rate per stamp in 2018?

• $0.25

• $0.33

• $0.40

• $0.50

How did the cost of a stamp change from 1999 to 2018?

• It increased from $0.33 to $0.50

• It decreased from $0.50 to $0.33

• It decreased from $0.33 to $0.25

• It remained the same

What mathematical operation is primarily used to find the unit rate?

• Addition

• Division

• Subtraction

• Multiplication