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

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

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

9. Have you ever downloaded a big file on a smartphone. What did you see
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
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) 5 10 15 20 25 30 35 40 45 50

14. How long did each phone take to download the file?
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