Elapsed Time Word Problems: Solving with Number Lines

This video tutorial teaches how to solve elapsed time word problems using a number line. It covers identifying the start time, end time, and change of time. The tutorial includes examples like a baby's nap and a bus driver's schedule to illustrate the concept. It emphasizes the importance of understanding time intervals and using a number line to find unknown times.

What are the three parts of an elapsed time word problem?

What is a common mistake when counting time on a number line?

If a baby takes a 2-hour nap starting at 1:10 PM, what time will the baby wake up?

How do you determine the start time if a bus driver arrives at 8:30 AM after driving for 2 hours?

Explain how to use a number line to solve elapsed time problems.