1. Unit Rate and proportional reasoning

2. Warm up page 7
Write each ratio in simplest form.

3. Vocabulary Unit rate pg 8
What is a rate?
A rate is a ratio that compare two quantities measured in different units.
Suppose you read 233 words in two minutes. Your reading rate is

4. Unit rate pg 8 What is a unit rate?
The rate for one unit of a given quantity.
To find a unit rate, divide the first quantity by the second quantity.
For your reading rate of , the unit rate is words per minute.

5. Unite rate pg 8 What is a unit price?
A unit rate that gives the cost per unit
Example:
Suppose the box of cereal mentioned earlier weighs 8 oz and has a unit price of
$0.31 per ounce. You want to find the total price of the box of cereal.
8 oz
$____
1 oz
$0.31

6. Examples- unit rate pg 8
A Box of cereal contain 8 serving and has a total of 36 grams of fat. Find the unit rate of grams of fat per serving.

7. Example- unit price pg 8
The unit price for dog food is $0.35/lb. How much is a 20lb bag?

8. Warm up pg 9 Find the unit rate
You earn $33 dollars for 4 hours of work. How much did you make per hour?
Sarah drove 203 mi to her cousins house. The drive took her 3 hours and 30 min. What was her average speed in miles per hour?

9. Check homework

10. Quiz page 9 under warm up
It took Anthony 5 hr 45 min to complete a 25 mi walkathon. What was his average speed in miles per hour? Round your answers to the nearest hundredth.
A 20lb bag of dog food cost $ A 30 lb bag of the same dog food cost $ Find each unit price. The determine the better buy.

11. Review pg 10 IAN
Problems 1-38 all page 249