Adding
Subtracting
How Long Is It
Word Problems
100

1 h 45 min + 2 hours

3 h 45 min

100

3 h 40 min - 2 h

1 h 40 min

100

From 2:40 am 

to 3:25 am

45 min

100

Cameron took 2 hours 30 minutes to paint his room. He began at 9:20. What time did he finish?

11:50

200

2 h 15 min + 45 min

3 h

200

3 h - 1 h 45 min

1 h 15 min

200

From 10:05 pm 

to midnight

1 h 55 min

200

A store opens at 9:30. Workers have to be there 40 minutes early. What time must workers be there?

8:50

300

1 h 30 + 1 h 50

3 h 20 min

300

2 h 10 min - 1 h 30 min

40 min

300

From 4:40 pm 

to 11:55 pm

7 h 15 min

300

A supermarket is open from 10:15 am to 9:30 pm every day. How long are they open each day?

11 h 15 min