Arithmetic

This chapter discusses number usage in different ways, such as shifting digits, place values, etc. Introduction to large numbers and Roman numbers is also given here with examples.

This chapter deals with properties of whole numbers. It also discusses on basic arithmetic operations on number line. Exercises are provided after each topic for better understanding.

This chapter deals with the factors and multiples. We will come across the methods to find them along with identification of prime and composite numbers. Divisibility tests and the calculation of LCM and HCF will also be taught here.

This chapter describes the basic concept of integer and how it is related to the natural number. It also explains the method through which addition or subtraction can be done for integers.

This chapter deals with proper, improper, mixed fractions, like and unlike fractions, etc. These concepts are explained in a simple and lucid manner.

This chapter covers decimal fractions, how decimals can be written, examples of decimals, and some exercises. We will also learn about comparison of decimals.

This chapter explains the concept of ratio and proportion. We will learn how ratio is used to express two quantities with a fraction, while proportion can make two fractions of different quantities equal to each other.