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CK-12 Foundation
Ck 12: Elementary Math: Difference Between Two Time Intervals
[Free Registration/Login may be required to access all resource tools.] Students compare the times on two clocks and calculate what time it will be before or after a given time interval, which clock shows an earlier or later time, etc....
Better Lesson
Better Lesson: It Is About Time
Second graders worked on telling time to the hour and half hour earlier in the year. Now they will apply their understanding of counting by 5s to telling time to the five minute interval.