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.