# Time!.

## Presentation on theme: "Time!."— Presentation transcript:

Time!

What are some units of time that you know?

1 minute = __________ seconds 12 minutes = __________ seconds What operation would you use to change a larger unit to a smaller unit?________ What would you multiply 12 by to find the number of seconds in 12 minutes? __________ How many seconds are in 12 minutes? _________

Line Plots Review from Third Grade
NUMBER OF ANIMALS PER HOUSEHOLD What do you remember about line plots? A line plot displays data above a __________ ___________. Each mark above the number line represents ___________________________. Line plots make it (easy or hard?) to see if data falls into groups or clusters.

Calculating Elapsed Time
Record what you know: Start time: _____________ Elapsed time: _____________ End time: _______________

SOMETIMES you can subtract!
How much time has elapsed from 1:20 to 3:45? 3:45 - 1:15

Sometimes you need to “borrow” 60 minutes, then subtract!
How much time has elapsed from 2:45pm to 4:20pm? 4:20 3:80 - 2:45 - 2:45

SOMETIMES when the time has elapsed from AM to PM, or PM to AM, you must solve in two parts.
How long are we in school from 9:00 am to 1:35pm? From 9:00 am to 12:00 pm (noon): 3 hours From 12:00 pm (noon) to 1:35 pm: + 1 hour 35 min

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