Mathematics
Decimal representation
दशमलव निरूपण
In this Class 9 Mathematics topic from the Number Systems chapter, students learn how numbers are expressed in decimal form and how decimal expansions relate to rational and irrational numbers. They examine terminating and non-terminating decimals, identify repeating patterns, and connect decimal representations with fractions. The topic builds accuracy in comparing, interpreting, and converting numerical forms while strengthening understanding of the structure and properties of real numbers.
Practice questions
Which decimal number lies strictly between 1.2 and 1.3?EasyLevel 14What is obtained when (0.0045) is converted into a simplified fraction?EasyLevel 14What is the repeating part in the decimal (0.1252525\ldots)?EasyLevel 14In simplest form, what type of decimal expansion will ( \frac{4}{21} ) have?EasyLevel 14What is the place value of (5) in (18.305)?EasyLevel 14Among 0.505, 0.55, and 0.5005, which number is the smallest?EasyLevel 14Ravi says that a decimal expansion in which digits repeat must be irrational. Which example proves his statement wrong?EasyLevel 15If the rational number \(\frac{p}{q}\) is in lowest terms, which property of \(q\) guarantees that its decimal expansion terminates?EasyLevel 15What is the decimal form of the mixed number 1 3/4?EasyLevel 15What is obtained when (0.06) is converted into a simplified fraction?EasyLevel 15How will (0.48) be written as a simplified fraction?EasyLevel 15Which simplified fraction is equal to (2.125)?EasyLevel 15In the decimal (0.009), at which place is (9)?EasyLevel 15What is the place value of (4) in (5.406)?EasyLevel 15What is the place value of (3) in (8.032)?EasyLevel 15What is the place value of (8) in (0.0008)?EasyLevel 15Which is the expanded form of the decimal (4.73)?EasyLevel 15What is the expanded form of (0.508)?EasyLevel 15Which decimal is equal to (0.08)?EasyLevel 15Which decimal is equal to (6.500)?EasyLevel 15