Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of 24 Hour Time Format

3rd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Video explaining a process for solving word problems involving beginning and ending times and elapsed time. [2:35]
Instructional Video
Khan Academy

Khan Academy: Algebra: Early Train Word Problem

9th - 10th
This video demonstrates how to solve a word problem involving writing and solving equations that deal with rates and elapsed time. [7:07]
Instructional Video
Khan Academy

Khan Academy: More Equation Practice: Early Train Word Problem

9th - 10th
This video demonstrates how to solve a word problem involving writing and solving equations that deal with rates and elapsed time.
Instructional Video
Math Mammoth

Math Mammoth: Elapsed Time: How Many Minutes Pass?

3rd Standards
This lesson demonstrates how to solve problems about elapsed time to the nearest five minutes. [7:31]
Instructional Video
Khan Academy

Khan Academy: Time Differences Example

3rd
Models how to find the difference between two analog clocks. The times are first determined, then the instructor counts up from the earlier clock to find how much time has passed. [4:02]
Instructional Video
Khan Academy

Khan Academy: Time Word Problem: Travel Time

3rd Standards
Sal Khan solves a word problem about travel time by using a number line. [4:08]
Instructional Video
Khan Academy

Khan Academy: Time Differences Example

3rd
Sal Khan demonstrates how to find the difference between the times shown on two different analog clocks. [4:19]
Instructional Video
Khan Academy

Khan Academy: Time Word Problem: Puzzle

3rd
Lindsay from Khan Academy finds out how long it took to solve a puzzle when given the start and finish time. [1:29]
Instructional Video
Khan Academy

Khan Academy: Finding Reasonable Unit of Measurement Example

4th
Sal chooses reasonable units of time activities like baking cookies.