Identify the larger number, place the smaller number on the bottom, and then subtract in order to determine elapsed time. Animated slides of each step are also narrated by a friendly voice to teach elementary math minds how to solve such...

Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read...

Is time on your side? Pupils come up with an experiment to test whether their classmates can guess how long it takes for 30 seconds to elapse. They divide the class data into two groups, create box-and-whisker plots, and analyze the...

Browse resources related to second-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.