Area and Circumference Word Problems

Talk:

You and your partner will share a fact about what we have learned about circles. You and your partner must share a different fact. You will have 30 seconds.

A fact that I have learned about circles is...

Read:

Read over the notes that we took on area of the circle and circumference. Be prepared to talk about them with your partner and the class. You have 3 minutes.


Pay Attention To:
Formulas, key differences, your drawings

Talk:

You will tell your partner about a key term that you read about on your notes. It cannot be something that you and your partner talked about previously. You can describe what it is, what it might look like, what formula you might you. You will talk about this topic for 1 minute each.

Pay Attention To:
Formulas, key differences, your drawings

Write:

In the last two boxes or your IWJ, you will write about something new that you learned today about circles. You must write in complete sentences and use math terms. You will write for 3 minutes straight. You may go back and look at your notes if you need to.



Something new that I learned about circles today is...

Math Response

A city park has a large circular garden with a path around it. The diameter of the garden is 60 feet.

Gina likes to walk along the circular path during her lunch breaks. How far does Gina walk if she completes one rotation around the path?

Type answer here

Correct Answer: 188.4

Deg^°

Rad

Math Response

A city park has a large circular garden with a path around it. The diameter of the garden is 18 feet.

Jason works for the City Park Department. He needs to spread plant food all over the garden. What is the area of the park he will cover with plant food?

Type answer here

Correct Answer: 254.34

Deg^°

Rad

Math Response

Samantha is making a vegetable pizza. First, she presses the dough so that it fills a circular pan with a 16-inch diameter and covers it with sauce. What is the area of the pizza Samantha will cover with sauce?

Type answer here

Correct Answer: 200.96

Deg^°

Rad

Math Response

Members of a community center have decided to paint a large circular mural in the middle of the parking lot. The radius of the mural is to be 11 yards. Before they begin painting the mural, they use rope to form the outline. How much rope will they need?

Type answer here

Correct Answer: 69.08

Deg^°

Rad

Closing Task:

Describe a situation when you would use area of the circle OR circumference in the real world.

I would use area of the circle in the real world when...

OR

I would use circumference in the real world when...