Elapsed Time Game
One way to find elapsed time when given times in 12 hour format is to first convert the times to 24-hour format and then subtract the times. Another method would be to use the number line. Scroll down the page for a more detailed explanation.
 
In this game, you will be given two times in 12 hour format and you need to find the elapsed time between the two times in hours and minutes. If you give a wrong answer, the game will give you the correct solution.
 

Elapsed Time Game

Calculate the time between the start and end times.

Enable 60-Second Timer

Start Game

Score: 0 / 0

Time: 60

Start Time:

End Time:

Elapsed Time:

Check Next

Back to Menu

 

How to Play the Elapsed Time Game
The game will show you a start time and an end time. Your task is to find the elapsed time in hours and minutes.
Here’s how to play:

1. Timed Option: Check the timer if you want to enable the 60 second timer. Click “Start Game”.
   
2. Look at the Problem: You’ll see a start time and an end time both in 12-hour format. Your task is to find the elapsed time in hours and minutes.
   
3. Enter Your Answer: Enter in the hours and minutes.
   
4. Check Your Work: Click the Check button (or press the Enter key). The game will tell you if you’re correct. If you are wrong, you will be shown how to get the correct answer.
   
5. Get a New Problem: Click the Next button for a new problem.
   Your score is tracked at the top, showing how many you’ve gotten right out of the total you’ve tried.
6. Back to Menu Click “Back to Menu” to restart the game.
    
   

How to find elapsed time
Elapsed time, when given in a 12-hour clock format, can be found by calculating the duration between a start time and an end time.
There are several methods to find elapsed time:
Find elapsed time
 
Using a Number Line to Calculate Elapsed Time

1. Create a number line with the start and end time.
   
2. Count the minutes to the nearest hour after the start time.
   
3. Count the minutes to the nearest hour before the end time.
   
4. Then add the total minutes and the hour.
    
   

Calculate Elapsed Time using the 24-hour clock

1. The start and end times are converted to a 24-hour format.
   
2. The difference in minutes between the start time and the end time is calculated. If the end time’s minutes are less than the start time’s minutes, 60 minutes are borrowed from the end time’s hour, and the end time’s hour is reduced by 1.
   
3. The difference in hours between the start time and the end time is calculated.
   
4. The calculated differences in hours and minutes are combined to determine the total elapsed time.
    
   Example Calculation
   
   To find the elapsed time from 9:30 AM to 2:15 PM:
   
5. The start time is 9:30 AM. The end time is 2:15 PM, which is converted to 14:15 in 24-hour format.
   
6. The minutes are calculated: 15 - 30. Since 15 < 30, 60 minutes are borrowed from the hours, making the end time 13:75. The minute difference is 75-30=45 minutes.
   
7. The hours are calculated: 13 - 9 = 4 hours.
   
8. The elapsed time is 4 hours and 45 minutes.
    
   

The video gives a clear, step-by-step approach to find elapsed time.

• Show Video

 

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