Chapter 4: Long and Short

Measuring length, perimeter, comparing using cm and m.

0/3 topics

📖3Topics

📐3Formulas

🔬0Experiments

🎬0Videos

🔑7Key Terms

💡4Quick Facts

📘 About this chapter

Measuring length, perimeter, comparing using cm and m.

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Learning Objectives

By end of this chapter you will:

Understand Review of Length Units and Measuring Perimeter

Apply 3 key formulas

Define: Millimetre, Centimetre, Metre

Solve NCERT exercises confidently

🔗 Prerequisites

📌Polynomials, Coordinate Geometry

📊 Chapter Stats

Difficulty🌱 Beginner

Est. Time33 min

Topics3

Formulas3

Experiments0

Progress0%

💡 Did You Know?

✦The metre was originally defined as 1/10,000,000 of the distance from equator to North Pole

✦Light travels about 300,000 km in one second

✦The longest road in India is NH44 (4,112 km)

✦An ant walks about 10 m per minute

🔑 Key Terms(click any term for AI explanation)