Chapter 1: What is Long, What is Round?
๐ About this chapter
Shapes in the environment โ 2D and 3D shapes, properties and recognition.
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Learning Objectives
By end of this chapter you will:
1
Understand 2D Shapes (Flat Shapes) and 3D Shapes (Solid Shapes)2
Apply 1 key formula3
Perform 1 practised experiment4
Define: 2D shape, 3D shape, Circle5
Solve NCERT exercises confidently๐ Prerequisites
๐Basic mathematics from Class 1
๐ Chapter Stats
Difficulty๐ฑ Beginner
Est. Time47 min
Topics4
Formulas1
Experiments1
Progress0%
๐ก Did You Know?
โฆA sphere has the smallest surface area for a given volume โ that is why bubbles are spherical
โฆThe triangle is the strongest shape โ used in bridges and towers
โฆSnowflakes always have 6-fold symmetry
โฆA football is made of 12 pentagons and 20 hexagons
๐ Key Terms(click any term for AI explanation)