Example: Examples below are the regrouping of the time.
Question 1: Find the total of 4 hrs 20 min. and 3 hrs and 45 min.
Start adding from the right. Notice you have gotten a total of 65 min. in the minutes side. Remembering that 60 minutes is equal to 1 hour. You then minus the 60 minutes from the amount of minutes. The 60 minutes is the hour you will add to the hours side. See the workings below. The Answer is 8 hours and 5 minutes. This is your regrouping of the minutes and hours.
Question 2: Calculate the difference between 3 hr. 25 min. and 1 hr. 45 min.
Now, time for some questions.
Read each question carefully before answering.
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Question 1 of 9
1. Question
Mr. Brown went shopping. He spent 2 hours in the supermarket and 3o minutes travelling. He return home at 4:45 p.m. What time did he leave home?

Answer = : — ⇐ a.m. or p.m.
Correct 3 / 3 PointsIncorrect / 3 Points 

Question 2 of 9
2. Question
A fishing trawler went out to sea at 7:00 a.m. on Tuesday and returned to shore 15 hours later. What day and time did the boat return to shore?
CorrectIncorrect 
Question 3 of 9
3. Question
Five fishermen were lost at sea. They were picked up at 1730 hrs. The men recalled that they were stranded out at sea for 6 hours. At what time did the boat went adrift?

Answer = They went adrift at ⇐ a.m. or p.m.
CorrectIncorrect 

Question 4 of 9
4. Question
Change 9:50 a.m. to 24hour timing.
CorrectIncorrect 
Question 5 of 9
5. Question
The thunderstorm lasted 5 hours. If the storm started at 11:20 a.m. what time did the thuderstorm end
CorrectIncorrect 
Question 6 of 9
6. Question
Use the table below to answer the question.

Student Start time End time Sharon 2:20 p.m. 5:45 p.m. Dave 3:10 p.m. 6:05 p.m. a) How much time did each child spend doing homework?
Answer = Sharon spent hr m. Dave spent hrs m
b) Who took the longer time to complete the homework?
Answer =
Correct 5 / 5 PointsIncorrect / 5 Points 

Question 7 of 9
7. Question
Eli attended two class sessions to learn carpentry. He spent a total of 4 hours and 30 minutes in the two sessions.
a) If he spent 2 hours and 45 minutes in the first session, how much hours did he spend in the second session.
b) The following week Eli attended the third session. The session was an hour and a half. What is the total amount of time she spent on the three sessions.

Guided answers:
Working:
hrs. min. 430¯ 2 45
Answer: hr. min.
b) Guided answer:
hrs. min. total 4 30 3rd + 1 30
If 60 min = 1 hr.
Therefore: 5 + 1 =
Answer = Total time spent in sessions is hrs minutes
Correct 11 / 11 PointsIncorrect / 11 Points 

Question 8 of 9
8. Question
Zoe is watching a movie 2 hours long, but found out she missed 25 minutes of the show while sleeping. How much hours of the show did he see?

Answer: hr. min.
Correct 2 / 2 PointsIncorrect / 2 Points 

Question 9 of 9
9. Question
Vincent spent 2 hours and 15 minutes digging a hole. He took a break for 3o minutes. How long did it take him to dig the hole?

Answer: hrs. min
Correct 2 / 2 PointsIncorrect / 2 Points 