Elapsed Time Word Problems

Match the following vocabulary words to their meaning:

• analog clock

• • used to specify the hour in telling time

• open number line

• a visual model used to represent numbers as distances on an

  unmarked line

• digital clock

• • the passing of minutes, days, weeks, and years

• o'clock

• a clock without hands that uses numerals to show the time

• time

• a clock or watch is called analog when it has moving hands and hours

  marked from 1 to 12 to show you the time

Match the following vocabulary words to their meaning:

• elapsed time

• half an hour after a stated time
• half past

• the amount of time that passes from the start of an event to its finish
• quarter til

• 15 minutes until the next hour
• quarter past
• 15 minutes after a stated hour

Match the following vocabulary words to their meaning:

• start time/unknown

• the time that an event ends

• change time/duration

• the time that an event begins

• end time/unknown

• the amount of time that elapses between the start time to the end time

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?

What type of word problem is this?

• Start time unknown

• End time unknown

• Duration unknown

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 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?

• 5:35 p.m.
• 4:45 p.m.

• 6:00 p.m.
• 5:45 p.m.

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?

What type of word problem is this?

• Start time unknown

• End time unknown

• Duration unknown

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 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?

• 12:35 a.m.

• 12:35 p.m.
• 1:35 p.m.
• 11:35 a.m.

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