## Act 1

1. Which circle will fill up first?

2. Write down a guess.

## Act 2

3. What information would be useful to figure this out?

4. Write down some questions you have in your head right now.

## Act 3

## Sequel

5. What would happen if the blue circle was 5% larger?

6. What would happen if the yellow circle was 5% smaller?

**Common Core Standards**

7.RP

Analyze proportional relationships and use them to solve real-world and mathematical problems.

7.G.B.4

Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.

**TEKS**

7.4(D)

solve problems involving ratios, rates, and percents, including multi-step problems involving percent increase and percent decrease, and financial literacy problems

7.5(C)

solve mathematical and real-world problems involving similar shape and scale drawings