these are maths and science textbook for class 7 students cbse board maths chapters are
Chapter 1-Integers

Fractions and Decimals

Data Handling

Simple Equation

Lines and Angles

The Triangle and its Properties

Congruence of Triangles

Comparing Quantities

Rational Number

Practical Geometry

Chapter 11

Perimeter and Area

Chapter 12

Algebraic Expressions

Chapter 13

Exponents and Powers

Symmetry

Visualising Solid Shapes

Brain-Teasers the science chapters are given in the images