This chapter introduces numbers, their different types, and their uses in everyday life.
Natural numbers are the counting numbers starting from 1, while whole numbers include zero along with the natural numbers.
The Indian system of numerals is based on the decimal system. In the place value system, the value of a digit depends on its position in a number.
Grouping of digits into periods include ones, thousands, lakhs, and crores.
Comparison of numbers: Use of symbols such as greater than (>), less than (<), and equal to (=).