Class 3 Maths - CBSE
Time Goes On
The chapter Time Goes On in Class 3 CBSE Mathematics introduces young learners to the fascinating world of time measurement. Students learn to read both analog and digital clocks, understand the relationship between seconds, minutes, hours, days, weeks, months, and years, and interpret calendars. This chapter is fundamental for CBSE exams as it builds essential daily life skills and forms the basis for word problems involving time intervals. Questions from this chapter frequently appear in exams to test students' ability to read clock faces, calculate elapsed time, and convert between different units of time.
Start Learning FreeKey Concepts
Reading the Clock
A clock has two main hands: the short hand tells the hour and the long hand tells the minutes.
Hours and Minutes
One complete turn of the minute hand equals 60 minutes, which makes 1 hour.
AM and PM
AM stands for morning hours (from midnight to noon) and PM stands for afternoon and evening hours (from noon to midnight).
Reading the Calendar
A calendar helps us keep track of days, weeks, months, and years. There are 12 months in a year and 7 days in a week.
Leap Year
Every 4 years, February has 29 days instead of 28, making the year a leap year with 366 days.
Important Formulas
Board Exam Info
In CBSE Class 3 Mathematics exams, this chapter typically carries around 5 to 8 marks. Common question types include reading time from a given clock face, drawing clock hands for a specific time, converting hours to minutes, and solving simple word problems based on calendar dates and daily routines.
Frequently Asked Questions
How do I know which hand is the hour hand and which is the minute hand?
The shorter hand is always the hour hand, and the longer hand is always the minute hand.
What is the difference between AM and PM?
AM is used for time from 12 midnight to 12 noon, and PM is used from 12 noon to 12 midnight.
How many days are there in the month of February?
February usually has 28 days, but in a leap year, it has 29 days.
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