Khan Academy
Khan Academy: Timekeeping
Why do we need calendars and clocks? To survive in this complex society, you need to track what others are doing and when they're doing it. You also need to know what's happening in the natural world. This article discusses how/why...
ClassFlow
Class Flow: Calendar Activity
[Free Registration/Login Required] This is a one-page start of day activity using the calendar and clocks.
Primary Resources
Primary Resources: Time
An extensive collection of teacher resources to aide in teaching time. There are smartboard and PowerPoint presentations, and many worksheets and ideas for teachers. Includes activities on time, calendar, months, and days.
Other
The Official U. S. Time
Get the official U.S. time from the official U.S. timekeepers, the National Institute of Standards and Technology (NIST), and its military counterpart, the U.S. Naval Observatory. Java needs to be enabled to see the timeclocks. There are...
National Council of Teachers of Mathematics
The Math Forum: Seventh Grade Mathematics: Cycles
Teachers can use this resource for creating interesting lessons about time and time measurement. There are articles about leap year, converting time, as well as other links for further research. An interdisciplinary project about an...
ClassFlow
Class Flow: Math Templates
[Free Registration/Login Required] A group of math templates including a blank calendar, a hundreds board you can use for number patterns (only colors the square you click on), an invisible numbers 100s chart, a blank 10 x10 graph/grid,...
ClassFlow
Class Flow: Math Templates
[Free Registration/Login Required] A collection of templates including a blank calendar, digital/analog clocks, elapsed time model clocks, hundreds chart - complete, blank, and hidden numbers.
Extreme Science
Extreme Science: What Is the Time?
Take a walk through time as Extreme Science explains time starting with ancient calendars and early clocks to how the National Institute of Standards and Technology uses time today.
ClassFlow
Class Flow: Divisions of Time
[Free Registration/Login Required] This flipchart reviews basic time telling vocabulary. It introduces the history behind the months of the year and the origin of names of the months. It also demonstrates how to figure elapsed time.