How do we properly calculate elapsed time for an event that spans two days? Our example is based on the Moon's rise on one day and its set on the following day.
Calculating Elapsed Time is a free educational video by Anthony Sanders.It helps students in grades 3 practice the following standards 3.MD.A.1.
1. 3.MD.A.1 : Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram..
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