UNITS OF TIME

TIME

CONVERSION CHART

1 Minute = 60 seconds1 Hour = 60 minutes1 Day = 24 hours1 Week = 7 days1 Year= 52 weeks1 Year = 12 months1 Year =365 days1 Leap Year= 366 days1 Century = 100 years

CenturyYear

MonthWeekDayHour

minutesSeconds

LET´S DO IT TOGETHER

• 1 minute = ________ seconds.• 1 hour = _________ minutes.• 1 day = __________ hours.• 1 week = __________ days.• One month = ________ days.• 1 year = ___________ days or _____

weeks or ______ months.

It's Time for Time

1. Allen wakes up at 7:00 in the morning to get ready for school. At 8:15 he’s ready to go out the door and get on the school bus. How long does it take him to get ready?

 2. Emily can’t wait to watch the next episode of her favorite TV show, Carpet Mice. It’s six o’clock in the evening and the show will be starting in one and a half hours. What time will the show begin?

 3. The time is three hours earlier in California than in New York. If a live sports event that begins in New York at 8:00 p.m. is being shown on television and it ends when it’s 7:00 p.m. in California, how long does the event last?

Thirty days have September, April, June, and November. All others have 31 days except February, which has 28 (29 in a leap year). How many minutes were in February during the leap year of 2004?

You are looking for the number of minutes in February 2004.

There were _____ days in February, 2004. There are _____ hours in a day and _____ minutes in an

hour. To find the number of minutes in this month, you

multiply the number of days in February by the number of hours in a day and by the number of minutes in an hour.

You multiply ______ by ______ by __________. So, there were ___________ minutes in February 2004.

REMEMBER To rename larger units as smaller units, you multiply.

To rename smaller units as larger units, you divide.

PRACTICE

Use the table of time equivalents to complete each statement:

6 years = _______ weeks. 4 minutes = ______ seconds. 133 days = _______ weeks. 144 months = _______ 12 years. 1 day = _______ seconds. 24 hours = ______ minutes.

Complete each sentence:To change minutes to seconds , multiply

by ____.To change weeks to years, divide by _____-To change months to years, _______ by 12.To change minutes to hours, _______ by

60.

Figure out how long each person watched TV on Monday

and Tuesday.

1.   Alexis watched a total of 3 hours and 23 minutes of TV on Monday and Tuesday.

Total of minutes_______________2.  Rebecca watched TV for one and two-third hours on Tuesday.

Total of minutes _____________3.  Katherine watched TV for 180 minutes on Tuesday.

Total of seconds ______________________4.   Austin watched TV for 257 minutes.

Total of hours ____________8.  Rebecca watched TV for 2600 seconds on Monday.

Total of minutes_______________

Total of hours