Arithmetic

The chapter discusses numbers which are used to do various operations in our daily lives such as measuring, counting. The numbers can be categorised as one-digit, two-digit and three-digit numbers.

The chapter discusses the Indian and International system of numbers. We will learn about ascending order through exercise. It also covers addition, subtraction, rounding off numbers and word problems.

This chapter explains how expressions can be formed using variables since they have no fixed value. It further explains how all four number operations are used to form such expressions.

This chapter deals with the concept of fractions and decimals. We will learn about the types of fractions and how to reduce fractions to its lowest terms. It explains how to compare fractions, and perform basic arithmetic operations on fractions and decimals.

In this chapter, we will understand the representation of 2-digit and 3-digit numbers in generalized form. It also discusses the test of divisibility by 4, 7, 8, 6, and 11 with the help of solved examples.

In this chapter, we are introduced to the study of negative integers with the help of examples. It also discusses the uses of negative numbers in our daily life. Some related questions will also be asked here.

This chapter teaches us how to measure length, weight, and capacity. We will explore the units of length, weight, and capacity. It also explains how to convert one unit to the other with the aid of examples.

In this chapter, the term percentage is defined. Percentages are also explained when the total is not hundred. The conversion of fractions and decimals to percentages and vice versa is explained as well.

This chapter covers the topic of conversion of metric units.