Main Contents in class 7th NCERT Book Mathematics
Chapter 1 Integers
पूर्णांक
In this chapter we have discussed that what is an integer, representation of integers on number line, properties of addition and subtration of integers,
Multiplication and division of integers and thier properties, division of an integer by zero is not defined. NCERT solution of all questions Exercise 1.1, 1.2, 1.3, 1.4
Chapter 2 Fractions and Decimals
भिन्न एवं दशमलव
Revision of Concepts fractions and decimals and their addition and subtraction form 6th class maths, operations of multiplication and division on fractions as well as on decimals, Exercise 2.1, 2.2, 2.3, 2.4, 2.5, 5.6, 2.7
Chapter 3 Data Handling
आँकड़ों का प्रबंधन
Recording and Presentation of data, mean/average , mode and median of data, bar graph, double bar graph, chance and probability NCERT Solution of Exercise 3.1, 3.2, 3.3, 3.4
Chapter 4 Simple Equations
सरल समीकरण
in this chapter we have discussed the concept of simple equation , basic facts and rules for solution of a simple equation, practical problems based on simple quations.Exercise 4.1,4.2,4.3,4.4
Chapter 5 Lines and Angles
रेखा एवं कोण
Understating the concepts of Line, line-segmetn and a raw., complementary angles, supplementary angles adjacent angles and linear parirs, vertically opposite angles, alternate angles, corresponding angles, Exercise 5.1, 5.2
Chapter 6 The Triangle and its Properties
त्रिभुज और उसके गुण
elements of a triangles - angles, sides, median, altitude, exterior angle of a triangle, exetrior angle property, angle sum propertty of a triangle, equilateral , isoscaeles triangle,
Property of the lengths of sides of a triangle, Pythagoras property. NCERT Book Exercise 6.1, 6.2, 6.3, 6.4, 6.5
Chapter 7 Congruence of Triangles
त्रिभुजों की सर्वांगसमता
Concept of congruent objects, SSS, SAS, ASA, RHS congruence of two triangles Exercise 7.1, 7.2
Chapter 8 Comparing Quantities
राशियों की तुलना
In this chapter we will discuss the comparing two quantites in our daily life, questions bases upone ratio and proportion, percentage NCERT Solution of Exercise 8.1, 8.2 and 8.3
Chapter 9 Rational Numbers
परिमेय संख्याएँ
What is a rational number, all integers and fractions are rational numbers, multiplication and division of rational numbers, closure, commutative, associative, distributive property NCERT Exercise Solution 9.1, 9.2, 9.3,9.4
Chapter 10 Practical Geometry
प्रायोगिक ज्यामिति
Construction of triangle when (1) length of three sides of triangle are given, (2) two sides and angle between them are given (3) two angles and length of side included between them (4) length of hypotenuse of a right-angled triangle and the length of one of its legs.Exercise 10.1, 10.2, 10.3, 10.4 , 10.5 with miscellaneous questions
Chapter 11 Perimeter and Area
परिमात और क्षेत्रफल
pereimeter and area of square and rectangle, area of parallelogram, area of triangle, circumference of a circle and area of a circle. Exercise 11.1, 11.2, 11.3, 11.4
Chapter 12 Algebraic Expressions
बीजीय व्यंजक
Understanding the concept of algebraic expressions, variables and constants, addition, subtraction, multiplications and division on variables,
polynomial, monomial, binomial and trinomial to find the valud of an expression Rules and formulas in for algebraaic expressions. NCERT Book Exercise 12.1,12.2, 12.3 and 12.4
Chapter 13 Exponents and Powers
घातांक और घात
we use exponents for converting large numbers in shorter form, laws of exponets and their applications Exercise 13.1, 13.2, 13.3
Chapter 14 Symmetry
सममिति
Number of line of symmetry in regular polygons, centre of rotation, angle of rotation, rotational symmetry, order ofrotational symmetry, line of symmetry in english alphabaets Exercise 14.1, 14.2, 14.3
Chapter 15 Visualising Solid Shapes
ठोस आकारों का चित्रण
Plane figures are of two-dimensions and solid shapes are of three-dimesions 2D and 3D shapesoblique sketch and isometric sketch visualising solid shapes slicing shadow front-view side-view and top viiew Exercise 13.1, 13.2, 13.3