7th Math 1.1 Classwork A (8/23/21)

1. Sales—Mancini Mart is advertising a Back-2-School sale on pencils.

a. What are the unit rates?

CFS:

#1: Computes unit rate with correct operation

1. Sales—Mancini Mart is advertising a Back-2-School sale on pencils.

b. Which pack is the better value? How do you know?

CFS:

#1: Computes unit rate with correct operation

#2: Explains with math evidence

2. Calculate—What is the unit rate if Mr. Hwung drives 420 miles in 7 hours? (You may want to set up long division)

CFS:

#1: Computes unit rate with correct operation

3. Sales—Mancini Mart is having a sale on Air Mancinis™. Which deal has the better value?

Explain why:

CFS:

#1: Computes unit rate with correct operation

#2: Explains with math evidence

4. A Teacher’s Life—Ms. Bizzell grades 36 exit tickets in 9 minutes.

a. Andrew says that is ¼ exit ticket per minute. Do you agree or disagree? Explain

CFS:

#1: Computes unit rate with correct operation

#2: Explains with math evidence

Joselyn sometimes goes for a run between classes to keep her energy up. This time she ran 30 meters in 5 seconds.

Ivan says "Wow, Joselyn went about 5 meters per second!"

Is he correct? How do you know?

"Ivan is (correct / not correct) because..."

CFS:

#1: Computes unit rate with correct operation

#2: Explains using math evidence

Alex visited 33 websites over 6 days. What is the unit rate?

CFS:

#1: Computes unit rate with correct operation