1. On the Download

2. Think back to the dragonfly activity. How fast was the dragonfly? Since we know the speed, the distance the dragonfly covers can be found using this equation. Distance = rate x time

3. What if our dragonfly raced a bumble bee who could fly 10 feet per second, who would win?

4. Poster Problems - On the download Slide #1 An Insect Race 25 ft/sec 10 ft/sec

6. What if the bumble bee had a head start? Would that guarantee his win?

7. Poster Problems - On the download Slide #2 An Insect Race 25 ft/sec 10 ft/sec

9. Have you ever downloaded a big file on a smartphone? What did you see? How long did it take?

10. On the Download - Video Poster Problems - On the download Slide #3

11. On the Download Poster Problems - On the download Slide #4

12. Our Task You begin downloading a movie on your mePhone. Then, your brother starts to download the same movie 30 seconds later on his mePhone2. Use the given facts to complete a table showing the amount of data each phone has downloaded. The elapsed time in the table should indicate when the first phone started downloading.

13. Elapsed Time (Seconds) mePhone Data Downloaded (MB) MePhone2 Data Downloaded (MB 000 5100 15 20 25 30 35 40 45 50

14. Create an explanation comparing how the data was downloaded by each phone. Your explanation should include words, a table, a graph, and an equation. Use d=rt where d represents downloaded date, r represents rate, and t represents time. Be sure your explanation also answers the following questions: How long did each phone take to download the file? Which phone finished first? Were the two phones ever tied? How do you know? Comparing Data Downloads Poster Problems - On the download Slide #5