Class 4 Mathematics • Maths Mela • Chapter 12 • Reprint 2026–27
Ticking Clocks and Turning Calendar: quick answer
This original study companion helps learners understand reading clocks, durations, timelines, calendar dates, days and introductory leap-year awareness. Read the idea, try the worked example, complete the activity and then answer the practice questions without looking back.
What you will learn
- reading clocks, durations, timelines, calendar dates, days and introductory leap-year awareness
Worked example
A class starts at 9:35 a.m. and lasts 45 minutes. It ends at 10:20 a.m.
Learn by doing
Prepare a one-day timetable with start and end times. Calculate the duration of each activity.
Practice questions
- What time is 1 hour 35 minutes after 2:50 p.m.?
- How many days are there from 12 March to 18 March if counting elapsed days?
- Why does February sometimes have 29 days?
Revision answers and study tips
First identify what is known and what must be found. Draw a diagram, table or number sentence when it helps. Estimate before calculating, label every measurement with its unit, and explain the rule in words. Check the final answer against the question.
Frequently asked questions
Which NCERT book is this chapter from?
It is Chapter 12, “Ticking Clocks and Turning Calendar”, from the current Class 4 Mathematics book Maths Mela (book code demm1), Reprint 2026–27.
Is this a copy of the textbook?
No. This is an independently written learning guide. Use it with the official NCERT chapter for complete classroom activities and illustrations.
How should I revise this chapter?
Review the key idea, redo the example, complete the activity, answer all three questions, and explain one answer aloud in your own words.
Official sources
Source-checked for the 2026–27 reprint. NCERT Kaksha is an independent educational companion and does not reproduce textbook text or artwork.