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Description: Calvin (2nd grade) teaching Addison (1st grade) and Daria (Kindergarten) some math on the last day of school, 2014-06-05. (Video thanks to Cheryl)
Play Video: (Note: The default playback of the video is HD VERSION. If your browser is buffering the video slowly, please play the REGULAR MP4 VERSION or Open The Video below for better experience. Thank you!)