6th Class Mathematics Decimals Introduction

  Introduction

 Deci means ten, therefore, a number which has base ten is called decimal number.A decimal number is separated by a dot mark (.) called decimal point. Numbers at the left from the dot (decimal) are called whole part of the number and numbers at the right side are called decimal part of the number. In the number 567.787, left part or whole part is 567 and right or decimal part is 786. The whole part of decimal number is read as, the extreme right or closest number from the decimal point is ones, and second, third, fourth, fifth, sixth, seventh, eighth and ninth are tens, hundreds, thousands, ten thousands, lakhs, ten lakhs, crores, ten crores, arabs. The numbers from the right of decimal point (dot) are read as tenths, hundredths, thousandths, ten thousandths, etc.

Decimal numbers are also called simply decimals.