Shapes Around Us
CBSE · Class 4 · Mathematics
Quick revision notes for Shapes Around Us — CBSE Class 4 Mathematics. Key concepts, formulas, and definitions for last-minute revision.
Key Topics to Revise
3D Shapes (Solid Shapes)
- 3D shapes have length, width, and height
- They have faces (flat surfaces), edges (where faces meet), and vertices/corners (where edges meet)
- Common 3D shapes include cube, cuboid, sphere, cylinder, cone, triangular pyramid, square pyramid
2D Shapes (Flat Shapes)
- 2D shapes are flat and have only length and width
- They have sides and angles
- Common 2D shapes include triangle, square, rectangle, circle, pentagon
Angles
- An angle is formed when two lines meet at a point
- There are three types of angles: right, acute, and obtuse
- Right angles are like the corner of a book or paper
Circles
- A circle is a round shape with no corners or edges
- All points on a circle are equally distant from the center
- Radius is the distance from center to any point on the circle
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What are the important topics in Shapes Around Us for CBSE Class 4 Mathematics?
Shapes Around Us covers several key topics that are frequently asked in CBSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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