1. Unit Rates Objective: I will compute unit rates associated with ratios of fractions in like or different units MAFS.7.RP.1.1: Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.

2. Do Now O Walmart is advertising a Back to school sale of pencils. A pack of 30 sells for $7.97 whereas a 12-pack of the same brand costs $4.77. Which is the better buy? How do you know? Show your work.

3. Unit Rates O Vocabulary: O Unit rates: tells how many units or a quantity there are for 1 unit. O ratio: comparison of two quantities written as A:B or A/B.

4. Unit Rates Our class by Gender Grade#of boys#of girlsRatio 6th1723 7th1823 8th1918 Whole MGA

5. Unit Rates O Find unit rates: 4/5 pound of cherries $2.80 O Step 1: Rewrite $2.80 as a fraction

6. Unit Rates O Step 2: Divide to find unit price O Answer:

7. Unit Rates O Your turn: Find each rate and unit rate: 1. 360 customers in 30 days 2. 40 meters in 16 seconds 3. $7.96 for 5 pounds

8. Unit Rates O Reflection: Explain how are unit rates useful?.