Elapsed Time Calculation Techniques

The video tutorial explains how to calculate elapsed time between two events, focusing on different scenarios such as both times being in the morning, crossing noon, and adding delayed time. It covers borrowing minutes, using timelines, and regrouping to simplify calculations.

What is the definition of elapsed time?

• The time it takes to travel a distance

• The time shown on a clock

• The amount of time that passes between two events

• The time it takes to complete a task

How do you find the elapsed time between two morning times?

• Divide the later time by the earlier time

• Multiply the two times

• Subtract the earlier time from the later time

• Add the two times together

What should you do if you can't subtract minutes directly?

• Borrow an hour and convert it to minutes

• Subtract an hour from the total time

• Add an hour to the minutes

• Add 30 minutes to the total time

When subtracting time, what is the first step?

• Subtract the minutes first

• Add the minutes first

• Subtract the hours first

• Add the hours first

How do you handle elapsed time when crossing noon?

• Add 12 hours to the earlier time

• Use a timeline to visualize the time

• Subtract the times directly

• Subtract 12 hours from the later time

What is the elapsed time between 6:52 AM and 11:17 AM?

• 4 hours 15 minutes

• 4 hours 25 minutes

• 5 hours 25 minutes

• 5 hours 15 minutes

What is the elapsed time between 6:52 AM and 11:17 AM using borrowing?

• 5 hours 25 minutes

• 4 hours 15 minutes

• 4 hours 25 minutes

• 5 hours 15 minutes

What is a useful tool for finding elapsed time across noon?

• A timeline

• A calculator

• A calendar

• A stopwatch

How many minutes are there from 11:52 AM to noon?

• 5 minutes

• 8 minutes

• 10 minutes

• 12 minutes

What is the elapsed time between 11:52 AM and 7:45 PM?

• 7 hours 45 minutes

• 8 hours 45 minutes

• 8 hours 53 minutes

• 7 hours 53 minutes