3 Act Task: Bacteria Growth

Act 1:

How many bacteria are there in 300 minutes?

Act 2:

• Pause the video at 0:00 time frame. There is 1 bacteria at 0 minutes.

• Pause the video again at 0:01 time frame, when there is 2 bacteria at 38 minutes.

• Pause the video again at 0:04 time frame, when there is 4 bacteria at 88 minutes.

• Lastly, pause or show a screen shot at 0:05 time frame, when there is 8 bacteria at 114 minutes.

Act 3:

There are a total of 471 bacteria in 300 minutes.

Extensions:

• When does the number of minutes and bacteria the same?
• How many bacteria would there be in 500 minutes?
• When will there be 1,000,000 bacteria?
• How else could we represent this information?