📘 Dev Classes — Class 8th Mathematics Syllabus (CBSE Board) | Session 2025–26
Unit-Wise Syllabus:
1. Rational Numbers
-
Properties of rational numbers
-
Representation of rational numbers on the number line
-
Operations on rational numbers
2. Linear Equations in One Variable
-
Solving linear equations
-
Applications and word problems
-
Equations reducible to simpler forms
3. Understanding Quadrilaterals
-
Polygons and their classification
-
Properties of parallelogram, rectangle, rhombus, square, trapezium, and kite
-
Angle sum property
4. Practical Geometry
-
Construction of quadrilaterals
-
Special cases (when four sides and one diagonal are given, etc.)
5. Data Handling
-
Organizing and grouping data
-
Bar graphs, pie charts, and histograms
-
Probability (basic concepts)
6. Squares and Square Roots
-
Properties of squares
-
Finding square roots (factorization, division method)
-
Estimating square roots
7. Cubes and Cube Roots
-
Properties of cubes
-
Finding cube roots (prime factorization method)
8. Comparing Quantities
-
Ratio and proportion
-
Percentage, profit & loss
-
Discount, VAT, and simple & compound interest
9. Algebraic Expressions and Identities
-
Addition, subtraction, multiplication of algebraic expressions
-
Standard identities and their applications
10. Visualising Solid Shapes
-
Views of 3D shapes (top, side, front)
-
Euler’s formula for polyhedrons
11. Mensuration
-
Area of trapezium and polygon
-
Surface area and volume of cube, cuboid, and cylinder
12. Exponents and Powers
-
Laws of exponents
-
Expressing large numbers in standard form
13. Direct and Inverse Proportions
-
Understanding direct proportion
-
Understanding inverse proportion
-
Simple problems and applications
14. Factorisation
-
Factorisation of algebraic expressions
-
Common factors and regrouping
-
Division of algebraic expressions
15. Introduction to Graphs
-
Basic concepts of coordinate graphing
-
Plotting points and reading graphs
-
Applications: distance-time, cost-revenue graphs
16. Playing with Numbers
-
Revisiting divisibility rules
-
Tests of divisibility
-
Numbers in general form and puzzles
Additional Support by Dev Classes
✔️ NCERT exercises, exemplar problems & HOTS questions
✔️ Doubt-solving and remedial classes
✔️ Practice worksheets & chapter-wise tests
✔️ Periodic mock tests for final exam readiness