7.1.6B Area of a Circle

By DAISY DOLOR

​Agenda:
Caption This
Review Circumference
A = 3.14r^2
Canvas' Apply It 7.1.6B
Exit Ticket

1. Caption this; that's either super funny or super clever.

2. Share your captions in the chat.

3. Next, everyone votes for their top pick (use the heart emoji)

4. The caption that gets the most love emojis wins the round, and the genius behind it scores a point.

​Review Circumference of a Circle

What have you remembered?

Multiple Choice

Does this circle show the radius or diameter?

• radius

• diameter

Multiple Select

Which of the following expressions can you use to find the circumference of a circle with radius 7 cm? Select ALL the correct answers.

Area of a Circle

Calculating the area of a circle

Multiple Choice

According to the Area of a Circle formula, do you need to know the radius or diameter?
A =  $$\pi$$   $$r^2$$  

• radius

• diameter

Multiple Choice

What is the radius of this circle?

• 40 cm

• 20 cm

• 10 cm

Dropdown

a. The radius of the tablecloth is​

Select answer

inches.

b. The area of the tablecloth is ​ ​

Select answer

$$\pi$$ square inches.

Draw

Write your name and use circles and other shapes to give your name a 3D look. Make it colorful.

Draw

Show your work.

Multiple Select

Which formulas can be used to find the area of a circle?

​Getting-To-Know-You Conversation

Open Ended

If you would teach a classmate who is absent today, how would you explain the area of a circle?

Poll

Which of the following improved in your math skills? choose ALL that apply

• Finding the circumference of a circle.

• Finding the area of a circle.

• Solving problems involving the circumference of a circle.

• Solving problems involving the circumference of a circle.