Wednesday Jan 29 2014 Directions Please come in

Wednesday, Jan. 29, 2014 Directions: Please come in and get your journal. On your next blank page, write today’s date on the top line. Title this page ~ Unit Rate. Below the date, write the Challenge Question: When we go grocery shopping, why is it important to calculate unit rate? Warm-Up: Complete the warm-up in your journal with 0 noise level! Use your knowledge of dividing with decimals to evaluate the following problems: 1. 23. 3 ÷ 4 2. 112 ÷ 10 3. 67. 5 ÷ 4. 5

What’s The Best Buy? ? ? Applying Unit Rates To Make Informed Decisions Unit rate = ONE of something Ex. Price per ounce ($/oz)… price per ONE ounce Ex. Price per gallon ($/gal)… price per ONE gallon Ex. Price per square yard ($/sq. yd)… price per ONE square yard Ex. Miles per hour (mi/hr)… miles per ONE hour Ex. Miles per gallon (mpg)… miles per ONE gallon Ex. Parts per hour (parts/hr)… parts per ONE hour Ex. Points per game (points/game)… points per ONE game

Unit Rate To calculate unit rate… you divide! ◦ To find price per ounce ~ you divide the total price by the number of ounces ◦ To find price per gallon ~ you divide the total price by the number of gallons ◦ To find miles per hour ~ you divide the total number of miles by the number of hours ◦ To find miles per gallon ~ you divide the total miles by the number of gallons

What’s The Best Buy? ? ? 3 Pounds of Bananas for $1. 47 5 Pounds of Bananas for $2. 35 Presentation

What’s The Best Buy? ? ? 12 pack of Cokes for $4. 20 24 Pack of Cokes for $7. 68 Presentation

What’s The Best Buy? ? ? 4 rolls of toilet paper for $3 24 rolls of toilet paper for $4. 80 Presentation

What’s The Best Buy? ? ? 2 ½ pounds of apples for $1. 55 3 pounds of apples for $1. 92 Presentation

Presentation: • How did we do today? üDid we complete the daily warm-up with 0 noise level? üDid we maintain classroom operating procedures? üDid we take all the notes without being asked several times?

Learning Together With your partner, complete the Which is a Better Buy? Handout. Make sure to show your work for every problem and circle your answer.

Learning Together: • How did we do today? üDid we maintain classroom operating procedures? üDid we work toward our learning goals? I can use my knowledge of dividing with decimals to find unit rates. üDid we stay on topic (no sidebar conversations) to complete the tasks?

Just for Me By yourself, complete the Unit Rates Handout. Make sure to show your work for every problem and circle your answer.

Just for Me: • How did we do today? üDid we maintain classroom operating procedures including 0 noise level? üDid we work toward our learning goals? I can use my knowledge of dividing with decimals to find unit rates. üDid we ask Mrs. Camp for help instead of our partner?

Assessment Bashir’s Cobra traveled 455 miles in 7 hours Miguel’s Corvette traveled 552 miles in 8 hours Who is Going Faster? ? ?

Wrap-Up Homework: Complete the Unit Rates handout (both sides) if you did not finish… it is due on Friday at the beginning of class for a HW grade. Supplies: Put your journal in the class bin (if you do not need it at home) and place any supplies used back in the supply bins. • How did we do today? üDid we maintain classroom operating procedures? üDid we work toward our learning goals? I can use my knowledge of dividing with decimals to find unit rates. ü Did we complete the tasks?