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 is the expanded form of 2.045?EasyLevel 10A student says that \(0.4999\ldots\) is less than \(0.5\) because the sequence of 9s never ends. Which conclusion is correct?MediumLevel 10Which number lies between (0.56) and (0.57)?MediumLevel 10In simplest form, what type of decimal expansion will 21/125 have?MediumLevel 10What is obtained when (3.125) is converted into an improper fraction?MediumLevel 10Which is the correct bar notation of (0.0808\ldots)?MediumLevel 10What will be the decimal form of ( \frac{29}{250} )?MediumLevel 10What is the place value of (6) in (4.006)?MediumLevel 10What is obtained when 0.00064 is converted into a simplified fraction?MediumLevel 10If (x=0.37) and (y=0.307), which relation is correct?MediumLevel 10Which of the following fractions has a terminating decimal expansion when written in its lowest form?MediumLevel 10What is the recurring part in (6.312312312\ldots)?MediumLevel 10The decimal (0.4375) is equal to which simplified fraction?MediumLevel 10What is obtained by converting (0.025) into a percentage?MediumLevel 10What is obtained by multiplying 5.08 by 100?EasyLevel 10What is obtained by dividing 37.5 by 1000?EasyLevel 10What is the value of (0.48+0.075)?MediumLevel 10What is the value of (3.2-0.875)?MediumLevel 10The decimal (9.090) is equal to which of the following?MediumLevel 10Among (0.125), (0.152), (0.1205), and (0.15), which number is the greatest?MediumLevel 10