Common year

High school (ages 12+)
Mathematics & Numbers

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/common-year

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the calendar system?Gregorian calendar
2. What is the duration?365 days
3. Why do we need leap years if we have common years?Because the Earth takes about 365.2422 days to orbit the sun, a common year is a little too short. Leap years add an extra day to keep the calendar in sync with the seasons.
4. How many days are in a common year?A common year has 365 days, which is made up of 52 weeks plus one extra day.

Tropical Year: The period of Earth's orbit relative to the vernal equinox, approximately 365.2422 days.
Intercalation: The insertion of a day or month into a calendar to synchronize it with astronomical events.
Gregorian Calendar: The internationally adopted solar calendar, established to correct inaccuracies in the Julian calendar.