Elapsed Time Word Problems

Dad says dinner will be ready in 35 minutes. It’s 5:30 p.m. now. What time will dinner be ready?

Caleb and his friends went to see a movie at 7:35 p.m. They left at 10:05 p.m. How long was the movie?

Natasha has a dentist appointment at 10:40 a.m. It should last 35 minutes. What time will she finish?

The train was scheduled to arrive at 5:10 p.m. However, it was delayed for 25 minutes.
What time was it when the train arrived?

How should we solve this word problem?

We should ​ (a)   25 minutes to 5:10 P.M.

• add

• subtract

The bus departs the bus terminal every 2 hours.

If the first bus is scheduled to depart at 10:35 a.m., when should the second bus depart?

How should we solve this word problem?

We should ​ (a)   2 hours to 10:35 A.M.

• add

• subtract

The train left the terminal at 11:20 a.m. and arrived at its destination at 2:40 p.m.

How long did the train travel?

What type of word problem is this?

• Start time unknown

• End time unknown

• Duration unknown

The train left the terminal at 11:20 a.m. and arrived at its destination at 2:40 p.m.

How long did the train travel?

How can we solve this word problem?

• Add 2 hours and 40 minutes to 2:40 p.m.(Count forward)

• Subtract 2 hours and 40 minutes to 11:20 a.m.(Count back)

• Add 2 hours and 20 minutes to 11:20 a.m. (Count forward)

• Subtract 2 hours and 20 minutes to 2:40 p.m.(Count back)

The train left the terminal at 11:20 a.m. and arrived at its destination at 2:40 p.m.

How long did the train travel?

• 2 hours and 40 minutes

• 4 hours and 20 minutes

• 3 hours and 20 minutes

• 1 hour and 30 minutes

Hugh and his friends watched the latest action movie at the movie theater. The movie was 3 hours and 45 minutes long. They left the movie theater at 4:30 p.m.

At what time did the movie start?

• 12:45 p.m.

• 5:30 p.m.

• 3:15 p.m.

• 12:00 p.m.

A plane left Chicago O'Hare Airport at 11:40am and arrived at San Francisco International Airport at 4:25pm. How long was the flight?

• 4 hours 45 minutes

• 5 hours 45 minutes

• 4 hours 25 nminutes

• 5 hours 25 minutes