Concord Consortium
Leap Years and Calendars
How many birthdays do leap year babies have in a lifetime? Learners explore the question among others in a lesson focused on different calendar systems. Given explanations of the Julian, Gregorian, and Martian calendars, individuals use...
Pearson Longman
A New Calendar
The year 1582 was a very strange year. That year there was no October 5, 6, 7, 8, 9, 10, 11, 12, 13, or 14. Kids find out why when they read this short comprehension worksheet with a passage about the new calendar instituted in 1582.
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...
Read Works
Read Works: A Leaping Birthday
[Free Registration/Login Required] A literary text about a girl named Catherine who was born on February 29th. A question sheet is available to help students build skills in reading comprehension.
Math Is Fun
Math Is Fun: Years
The mathematics resource discusses years. Students review the concept using the provided notes and then answer questions to check for comprehension of the topic.
Other
Western Washington University: Leap Year
It takes the entire page but by the end of it, you will understand the whys and whens of Leap Year Day.
NumberNut
Number Nut: Calendar Origins
History and mathematics merge in this lesson that explores the origin of the calendar. Learn how it all got started in this detailed lesson that includes a simple months of the year game and a more challenging time conversion game. Both...
NumberNut
Number Nut: What Is a Year?
Discover the relationship between mathematics and a year. Examine key vocabulary and number facts that will help you understand why learning about years can help build your number sense. This lesson also includes two interactive games.
Geography 4 kids
Geography4 kids.com: Earth Around the Sun
Find out what all results from Earth revolving around the sun every 365 days as well as the rotation of the Earth every 24 hours.