Class 4 (CBSE) • MathematicsChapter 12: Ticking Clocks and Turning Calendar⭐ Topic 2
Understanding the Calendar and Dates
We deepen our understanding of calendars, including months, years, and how to calculate dates.
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A calendar year has 12 months, with some having 30 days, some 31 days, and February usually having 28 (29 in a leap year).
Quick revision
Remember these!
- A year has 12 months.
- Some months have 30 days, some have 31.
- February usually has 28 days, 29 in a leap year.
- A leap year happens every 4 years.
- Leap years keep the calendar aligned with Earth's orbit.
- We can calculate dates using addition or subtraction.
- Calendars help us plan events and remember dates.
- Understanding dates helps track time over weeks and months.
Words to know
understanding the calendar and dates