Calculate the elapsed time between:
12:30 P.M. and 2:00 P.M.
Review AM and PM values:
2:00 P.M. is greater than or equal to 12:30 P.M.
Borrow 60 minutes from 1 hour
We treat 12:00 as Hour Number 0
Answer in Hours = 2 - 0 + 1 = 1
Answer in Minutes = 60 + 00 - 30 = 30
Final Answer
Elapsed Time = 1 hour and 30 minutes
Common Core State Standards In This Lesson
CCSS.MATH.CONTENT.3.MD.A.1
What is the Answer?
Elapsed Time = 1 hour and 30 minutes
How does the Elapsed Time Calculator work?
Free Elapsed Time Calculator - This determines the elapsed time between two clock readings.
This calculator has 2 inputs.
This calculator has 2 inputs.
What 1 formula is used for the Elapsed Time Calculator?
If minutes are less in the second time than the first time, we have to borrow 1 hour = 60 minutes
What 3 concepts are covered in the Elapsed Time Calculator?
- clock
- a mechanical or electrical device for measuring time, indicating hours, minutes, and sometimes seconds
- elapsed time
- Amount of time between two dates
- time
- a point of time as measured in hours and minutes past midnight or noon
