Student Handouts
What Year Is It?
This page includes a space to write in the date, but what does the date even mean? And where does it come from? Inform your class about the various calendars and how the Western calendar came into widespread use with an informational...
Curated OER
Leap Year
In this Leap Year reading comprehension worksheet, can learn about the various types of calendars (lunar, solar, etc.) and answer 7 multiple choice questions. Also included is a word search of key terms.
Curated OER
How Many Days Are in a Year?
Students create a calendar for an imaginary planet. For this earth science lesson, students analyze the errors on the different calendars used on Earth. They present their work in class.
Curated OER
Engaging Students with the History of Time
Researching the history of calendars and time-keeping devices can help students make sense of time measurement.
Curated OER
The Sled Problem
For this algebra worksheet, learners try to figure out if a sled being auctioned is real or fake with the carvings of G. Washington on it. There is an answer key.
Curated OER
Christmas Lesson Plans
Students learn about the Christmas season through music, research, and other activities.
Institute for Dynamic Educational Advancement
Web Exhibits: Calendars Through the Ages: Announcing the Sky
Well-organized website depicts the "Fascinating history of the human endeavor to organize our lives in accordance with the sun and stars." Gives an overview and specifics of the basis of calendars through the ages.
Wolfram Research
Wolfram Science World: The Julian Calendar
This site from Science World under Wolfram Research contains brief information about the Julian Calendar. The information is factual and interesting, and it also contains links for further information on the subjects.
Other
Timekeepers.org: Calendar History
Scroll down this page to see the various topics addressed on this website. Learn a "brief history of the Western Calendar" as well as information about the ancient calendars of the world, including the Sumerian, Egyptian, and Greek...
Other
Livius: Caesar's Calendar Reform
A selection from Plutarch that highlights Caesar's desire to reform the calendar and how he came about with the changes he enforced.
National Geographic
National Geographic: 45 Bce: Julius Caesar Takes a Leap
Why do we have an extra day at the end of February every four years? We have Julius Caesar to thank! Read this short explanation about how the calendar kept falling out of step with the seasons and Caesar's solution to the problem.
Library of Congress
Loc: George Washington Was Born Feb. 22
An interesting background on the origin of Presidents' Day, and the actual date of George Washington's birth. Includes a portrait of Washington, as well as an historical letter from Tobias Lear, recounting the Julian and Gregorian...