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.

This lesson focuses on randomness; it explains that what we often think of as random is only random because we do not have the tools to make better predictions. However, true randomness does exists -- at the very foundations of matter. A...

This lesson helps children make a connection between the digital and analog clock. In general, the number system is based on units of ten which can sometimes make it difficult for children to realize that time is based on cycles of...