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Addition and Subtraction of Time 3rd Grade Math Worksheets

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In the concept of time, the idea of addition and subtraction can still be applied to better measure and determine the results driven. Learning to add and subtract time is very useful in our everyday lives. 


How do we add time?

  • Add the number of hours.
  • Add the number of minutes.
  • If the minutes are 60 or more, subtract 60 from the minutes and add 1 to hours.


DESTINATION: New York to California
ETD: 10: 50 AM
ETA: ?

If the flight time from New York to California is 5 hours and 20 minutes, what is the ETD for this destination?

10 : 50 AM plus 5 hours and 20 minutes

For hours:
10 + 5 = 15 (12 nn plus 3 hrs equals 3:00 PM)
For minutes:
50 + 20 = 70 (1 hour and 10 minutes)
3:00 PM plus 1 hour and 10 minutes is ….
4: 10 PM

Addition and Subtraction of Time Worksheets

This is a fantastic bundle which includes everything you need to know about Addition and Subtraction of Time across 15+ in-depth pages. These are ready-to-use Common core aligned Grade 3 Math worksheets.

Each ready to use worksheet collection includes 10 activities and an answer guide. Not teaching common core standards? Don’t worry! All our worksheets are completely editable so can be tailored for your curriculum and target audience.

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