L12-6 Notes:

1
Chapter 12

• L12-6 Notes
• Measure of Time

2
Units of Time

• Unit Model
• 1 second (s) time needed to say 1,001
• 1 minute (min) 60 seconds time for 2 average TV
  commercials
• 1 hour (h) 60 minutes time for 2 weekly TV
  sitcoms

3
Adding or Subtracting Time

• To add or subtract measures of time, use the
  following steps.

4
Adding Time

1. Find the sum of 4 h 20 min 45 s and 2 h 50 min 10
   s.

5
Subtracting Time

• 2. The table shows the winners of the Women's
  Marathon in the 1996 and 2000 Summer Olympics.
  How much faster was Takahashi's time than Roba's
  time?

6
On Your Own

• Add or subtract.
• 1.
• 2.
• 3.