Wednesday,+August+11

Math Problem #9

9. We hear a lot about big numbers in the news these days. For example, $1billion. If you spend a dollar every second, how long will it take you to spend $1billion? (Use 365.25 days for one year.)

• How will you organize your work to find the answer? (strategy)

• How will you know that your answer is correct?

• How will you know that it is the only possible answer?

• If there is more than one answer, how will you know you have them all?

• What if...?