CBSE Class 10
Mathematics

Curriculum Revisions &
Removed Topics

30% Content
Reduction

Academic Year 2025-26

1/7

Overview of Changes

Revised curriculum with streamlined content

30% reduction in total syllabus

7 core units remain

Part A: 80 marks (core topics)

Part B: 20 marks (case studies)

33% passing requirement maintained

2/7

Removed Topics - Part 1

📐 Real Numbers

Euclid's division algorithm, Decimal forms of rational numbers

📊 Polynomials

Division algorithm for polynomials

📈 Linear Equations

Cross Multiplication method

📍 Coordinate Geometry

Area calculation of triangles

3/7

Removed Topics - Part 2

△ Triangles

Various theorem proofs (Pythagoras, BPT)

📐 Trigonometry

Complementary angle ratios

🔷 Surface Areas & Volumes

Cone frustum, Metallic transformations

📊 Statistics

Step Deviation technique

4/7

⚠️

CONSTRUCTIONS Unit
Completely Removed

Entire Chapter Deleted

Pages 144-149

5/7

Why These Changes?

🎯

Simplified
Learning Path

🔍

Enhanced
Focus

💡

Conceptual
Emphasis

✨

Reduced Academic
Burden

6/7

Download Official Syllabus

📥

cbseacademic.nic.in

India's First Interactive
Textbook for CBSE Math

7/7

CBSE Class 10Mathematics