## Act 1

1. How long will it take to knock down all the dominoes?

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

**TEKS**

6.5(A)

represent mathematical and real-world problems involving ratios and rates using scale factors, tables, graphs, and proportions