24 Hour to 12 or 12 hour to 24 hour?
Add the time
Subtract the time
Finding the start or end time
Converting Time
100

09 00

9:00 am 

100
4 hours 15 minutes + 5 hours 30 minutes
9 hours 45 minutes
100
2h 15 minutes- 1 hour 5 minutes
1 hour 10 minutes
100
Tom's soccer practice started at 3:00 PM It ended at 5:00 PM How long was his soccer practice?
2 hours
100
How many minutes are in 2 hours?
120 minutes
200

13 00

1:00 pm

200
2 hours 35 minutes + 2 hours 20 minutes
4 hours 55 minutes
200
8 hours 45 minutes- 3 hours 20 minutes
5 hours 25 minutes
200

What time is it 2 hours after 7:15 PM? (24-hour notation)

21 15 

200
How many minutes are in 3 hours 15 minutes
195 minutes
300

11:45am

11 45

300
3 hours 40 minutes + 5 hours 25 minutes
9 hours 5 minutes
300
4 hours 30 minutes- 2 hours 50 minutes
1 hour 40 minutes
300

Brooke was painting a sign. She finished painting it at 3 PM. She took 1 hour 50 minutes to paint it. When did she begin? (24-hour notation)

01 10

300
How many hours are in 210 minutes
3 hours 30 minutes
400

23 23

11:23pm

400
2 hours 57 minutes + 2 hours 8 minutes
5 hours 5 minutes
400
7 hours 20 minutes- 4 hours 45 minutes
2 hours 35 minutes
400
Rachael and Shannon went to a fair. They arrived at 7:50 PM and left at 9:15 PM How long were they at the fair?
1 hour and 25 minutes
400
How many hours are in 445 minutes?
7 hours 25 minutes
500

9:19pm

21 19

500

22 17 plus 4 hours and 16 minutes

02 33

500
4 hours 30 minutes- 2 hours 45 minutes
1 hour 45 minutes
500

After a party, Emily cleans her house. She starts cleaning at 10:30 PM and finishes in 1 hour 45 minutes What time did she finish cleaning the house? (24-hour notation)

12 15 

500
How many hours are in 359 minutes
5 hours 59 minutes
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