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Class 9
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Maths
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Number Systems
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Re-Introduction to Number
Re-Introduction to Number
Revise with Concepts
Revisiting Rational Numbers
Example
Definitions
Formulaes
Learn with Videos
Introduction to Types of Number
3 mins
p/q Form of Rational and Irrational Number
5 mins
Quick Summary With Stories
Introduction to Rational Numbers
3 mins read
Equivalent rational numbers
2 mins read
Rational numbers in standard form
2 mins read
Finding Rational Numbers Between two Given Rational Numbers
2 mins read
Rational numbers between two Rational numbers
2 mins read
Important Questions
Is zero a rational number? Can you write it in the form
$qp $
, where
$p$
and
$q$
are integers and
$q=0?$
Write
$1$
if True and
$0$
if False
Easy
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>
Find five rational numbers between
$2$
and
$3$
Medium
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>
Find five rational numbers between
$52 $
and
$53 $
Medium
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>
State whether the following statements are true or false. Give reasons for your answers.
(i) Every natural number is a whole number.
(ii) Every integer is a whole number.
(iii) Every rational number is a whole number.
Medium
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>
Find five rational numbers between
$1$
and
$2.$
Medium
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>
Which of the following rational numbers is in the standard form?
This question has multiple correct options
Medium
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>
List five rational numbers between:
$5−4 $
and
$3−2 $
.
Medium
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>
Find three rational numbers between
$53 $
and
$32 $
Medium
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>
How are the quantum numbers
$n$
,
$1$
and
$m_{1}$
arrived at? Explain the significance of these quantum numbers.?
Easy
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>
Which of the following is not a rational number?
Medium
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>