# NCERT Solutions for Class 7 Maths Chapter 1 Integers Integers are the number that can be positive, negative or zero, but it cannot be a fraction. These numbers are used to perform arithmetic operations like addition, subtraction, multiplication and division. Integers help in evaluating the efficiency in positive and negative numbers in every field.

Some examples of real-life integers are temperature, sea level, etc. Integer is a whole number written without factorial component.for ex : -7,-5,1,7 etc. It is denoted by letter Z. In Ex 1.1 you will be reawakened about the number line, presentation of integers in the number line, arranging integers in ascending and descending order, a positive and negative integer, addition & subtraction of positive and negative integers and representing it in the number line. In Ex 1.2, you will learn about the property of Addition and Subtraction of Integers. You will learn how integers' addition is commutative for integers, but the subtraction of integers is not. In Ex 1.3 you will learn about the property of multiplication of integers and division of integers. The main topics and sub-topics of this chapter are-:

• Introduction
• Properties of subtraction and addition of integers
• Closure under subtraction and addition
• Associative, commutative and distributive property
• Multiplication of a positive and negative integer
• Multiplication of integers, the multiplicative identity
• Multiplication closure
• Division of integers, Properties of the division of integers

 Also See NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals NCERT Solutions for Class 7 Maths Chapter 3 Data Handling NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations NCERT Solutions for Class 7 Maths Chapter 5 Lines and Angles NCERT Solutions for Class 7 Maths Chapter 6 Triangles NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles NCERT Solutions for Class 7 Maths Chapter 8 Comparing Quantities NCERT Solutions for Class 7 Maths Chapter 9 Rational Numbers NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers NCERT Solutions for Class 7 Maths Chapter 14 Symmetry NCERT Solutions for Class 7 Maths Chapter 15 Visualizing Solid Shapes

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