Class 4 Mathematics • Maths Mela • Chapter 6 • Reprint 2026–27
Measuring Length: quick answer
This original study companion helps learners understand metres and centimetres, estimation, using a tape or scale, comparison, conversion and route measurement. Read the idea, try the worked example, complete the activity and then answer the practice questions without looking back.
What you will learn
- metres and centimetres, estimation, using a tape or scale, comparison, conversion and route measurement
Worked example
1 metre = 100 centimetres. A ribbon of 2 m 35 cm is 235 cm long.
Learn by doing
Estimate and then measure the length of a desk, doorway and notebook. Record the difference between each estimate and actual measurement.
Practice questions
- Convert 4 m 25 cm into centimetres.
- Which unit is suitable for the length of a pencil?
- A 5 m rope is cut by 175 cm. How much remains?
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 6, “Measuring Length”, 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.