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1. Start time: 12:10
End time: 1:10
Elapsed time?
2. Start time: ?
End time: 3:30
Elapsed time: 15 min
3. Start time: 4:10
End time: ?
Elapsed time: 35 min
Lydia Pearson
Teach the teacher
Grades:
3rd Grade
Subjects:
Math
Student Instructions
Pick one problem from the three problems given about elapsed time, and teach me how to solve it using a number line! :) Use the 
button to record yourself, and use your whiteboard to teach me how to solve it.
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