3. A rate is a ratio of two quantities using different units. Example: You pay $20 for 2 pizzas. Rate = Example: A car travels 250 miles in 5 hours. Rate = Example: It costs $36.00 for 4 turtlenecks at Walmart. Rate =

4. A unit rate compares a quantity to one unit of the other quantity. Example: 45 miles per hour Unit Rate = Example: $8.00 for each pizza Unit Rate = In this example you found a special kind of unit rate, called the unit price. This is the price per unit and is useful when you want to compare the cost of an item that comes in different sizes.

5. Rate or Unit Rate? Rate Unit Rate Rate Unit Rate

6. How can we find the unit rate? The word Per means one!

7. Changing a Unit Rate to a Rate

8. SituationWrite a rate to represent the situation. Write a unit rate to represent the situation. $428 for 4 concert tickets $2.72 for 4 pears 176 miles in 4 hours 48 pounds of cat food for 12 cats 200 calories for 2 servings

9. Maria is at a gas station getting gas for her new car. She pays a $50.00 for 11 gallons of gas. Elliot is at another gas station getting gas for his new car. He pays $48.00 for 10 gallons of gas. Who paid less per gallon? Round your answer to the nearest hundredth. Why is it important to pay less per gallon? Explain. How much would Maria pay for 15 gallons of gas at the same station?