Elapsed Time Problems Worksheets

What are Elapsed Time Problems?

Elapsed time problems involve calculating the amount of time that has passed between two given points in time. These problems often require addition or subtraction of hours, minutes, and seconds to determine the elapsed time.

How to Solve Elapsed Time Problems

To solve elapsed time problems, follow these steps:

1. Identify the starting time and the ending time.
2. Determine if you need to add or subtract time to find the elapsed time.
3. Break down the time into hours, minutes, and seconds.
4. Perform the necessary addition or subtraction to calculate the elapsed time.

Example Elapsed Time Problem

Let’s look at an example to better understand how to solve an elapsed time problem:

Starting Time: 9:30 AM
Ending Time: 2:45 PM

Step 1: Determine if we need to add or subtract time. In this case, we need to subtract the starting time from the ending time.
Step 2: Break down the time into hours and minutes.

Starting Time: 9 hours and 30 minutes
Ending Time: 2 hours and 45 minutes

Step 3: Subtract the hours and minutes.

2 hours – 9 hours = -7 hours
45 minutes – 30 minutes = 15 minutes

Step 4: Adjust the negative hours by adding 12 hours to make it positive.

-7 hours + 12 hours = 5 hours

The elapsed time is 5 hours and 15 minutes.

Tips for Solving Elapsed Time Problems

1. Pay attention to whether you need to add or subtract time.
2. Break down the time into hours, minutes, and seconds to make calculations easier.
3. Use a number line or a clock to visualize the time intervals.
4. Practice solving various elapsed time problems to improve your skills.

Conclusion

Elapsed time problems require calculating the time that has passed between two given points. By following the steps and practicing regularly, you can become proficient in solving these types of problems. Remember to identify the starting and ending times, determine whether to add or subtract time, break down the time, and perform the necessary calculations to find the elapsed time.