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2019-20
Page 2


2019-20
Lines and Lines
WhoseLineisIt?
Here are some
lines, lines and
lines. Now draw
some more such lines.
standing
slanting
sleeping
2
Ekta's lines are not straight. These are .
Draw more lines by joining the dots.
curved
curved
I will try to draw
lines with only
my hand.
I can draw
lines with the
side of my
pencil box.
I can draw lines
with a scale.
Ekta
84 85
11
Fatima
Jasbir
Raima
2019-20
Page 3


2019-20
Lines and Lines
WhoseLineisIt?
Here are some
lines, lines and
lines. Now draw
some more such lines.
standing
slanting
sleeping
2
Ekta's lines are not straight. These are .
Draw more lines by joining the dots.
curved
curved
I will try to draw
lines with only
my hand.
I can draw
lines with the
side of my
pencil box.
I can draw lines
with a scale.
Ekta
84 85
11
Fatima
Jasbir
Raima
2019-20
Come make
some more!
FunwithLines
Jigyasa has a clock. She can read the
time written in numbers and also the day
of the week. The numbers and letters are
made with straight lines.
Jigyasa made more numbers and letters with used
matchsticks.
u
u
u
u
u
C
Is there any number or letter that you
cannot with matchsticks?
Now w
What about
? Which ones are easy?
are
ollect used matchsticks. Have fun
making numbers and letters with these.
make
rite some numbers using
straight lines.
writing letters using straight
lines
Find out where else numbers and letters
written with straight lines.
DancingLines
Several classical dance forms such as Bharatanatyam and Odissi use geometrical
movements.Children canbeencouraged tolookfordifferentlines orshapes inpicturesor
T.V. programmes.
86 87
Look at his arms.
They look like
standing and
sleeping lines.
2019-20
Page 4


2019-20
Lines and Lines
WhoseLineisIt?
Here are some
lines, lines and
lines. Now draw
some more such lines.
standing
slanting
sleeping
2
Ekta's lines are not straight. These are .
Draw more lines by joining the dots.
curved
curved
I will try to draw
lines with only
my hand.
I can draw
lines with the
side of my
pencil box.
I can draw lines
with a scale.
Ekta
84 85
11
Fatima
Jasbir
Raima
2019-20
Come make
some more!
FunwithLines
Jigyasa has a clock. She can read the
time written in numbers and also the day
of the week. The numbers and letters are
made with straight lines.
Jigyasa made more numbers and letters with used
matchsticks.
u
u
u
u
u
C
Is there any number or letter that you
cannot with matchsticks?
Now w
What about
? Which ones are easy?
are
ollect used matchsticks. Have fun
making numbers and letters with these.
make
rite some numbers using
straight lines.
writing letters using straight
lines
Find out where else numbers and letters
written with straight lines.
DancingLines
Several classical dance forms such as Bharatanatyam and Odissi use geometrical
movements.Children canbeencouraged tolookfordifferentlines orshapes inpicturesor
T.V. programmes.
86 87
Look at his arms.
They look like
standing and
sleeping lines.
2019-20
Come make
some more!
FunwithLines
DancingLines
Remya saw a traffic policeman giving
directions to vehicles.
Does a traffic policeman sometimes
make curved lines? ___________
Remya tried to act like a traffic
policeman. She made many straight
and curved lines. It was fun. It looked
like dance.
Try the dance steps given below and
enjoy like Remya.
u
Several classical dance forms such as Bharatanatyam and Odissi use geometrical
movements. Children canbeencouraged tolookfordifferentlines orshapes inpicturesor
T.V. programmes.
86 87
Look at his arms.
They look like
standing and
sleeping lines.
2019-20
Page 5


2019-20
Lines and Lines
WhoseLineisIt?
Here are some
lines, lines and
lines. Now draw
some more such lines.
standing
slanting
sleeping
2
Ekta's lines are not straight. These are .
Draw more lines by joining the dots.
curved
curved
I will try to draw
lines with only
my hand.
I can draw
lines with the
side of my
pencil box.
I can draw lines
with a scale.
Ekta
84 85
11
Fatima
Jasbir
Raima
2019-20
Come make
some more!
FunwithLines
Jigyasa has a clock. She can read the
time written in numbers and also the day
of the week. The numbers and letters are
made with straight lines.
Jigyasa made more numbers and letters with used
matchsticks.
u
u
u
u
u
C
Is there any number or letter that you
cannot with matchsticks?
Now w
What about
? Which ones are easy?
are
ollect used matchsticks. Have fun
making numbers and letters with these.
make
rite some numbers using
straight lines.
writing letters using straight
lines
Find out where else numbers and letters
written with straight lines.
DancingLines
Several classical dance forms such as Bharatanatyam and Odissi use geometrical
movements.Children canbeencouraged tolookfordifferentlines orshapes inpicturesor
T.V. programmes.
86 87
Look at his arms.
They look like
standing and
sleeping lines.
2019-20
Come make
some more!
FunwithLines
DancingLines
Remya saw a traffic policeman giving
directions to vehicles.
Does a traffic policeman sometimes
make curved lines? ___________
Remya tried to act like a traffic
policeman. She made many straight
and curved lines. It was fun. It looked
like dance.
Try the dance steps given below and
enjoy like Remya.
u
Several classical dance forms such as Bharatanatyam and Odissi use geometrical
movements. Children canbeencouraged tolookfordifferentlines orshapes inpicturesor
T.V. programmes.
86 87
Look at his arms.
They look like
standing and
sleeping lines.
2019-20
DesignswithDots
u Join the dots with curved or straight lines.
Make your own designs.
LinesinPictures
88 89
2019-20
Read More
30 videos|66 docs|21 tests

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FAQs on NCERT Textbook - Lines and Lines - Mathematics for Class 2: NCERT

1. What are lines in mathematics?
Ans. Lines in mathematics are straight, infinitely long figures that extend in both directions. They have no curves or bends and are made up of an infinite number of points.
2. How are lines represented mathematically?
Ans. Lines can be represented mathematically in various forms. The most common representation is the slope-intercept form, y = mx + b, where m represents the slope of the line and b represents the y-intercept.
3. What is the equation of a vertical line?
Ans. The equation of a vertical line is x = a, where 'a' is the x-coordinate of any point on the line. Vertical lines have an undefined slope and are parallel to the y-axis.
4. How do you determine if two lines are parallel or perpendicular?
Ans. Two lines are parallel if they have the same slope. To determine if two lines are perpendicular, their slopes must be negative reciprocals of each other. If the product of their slopes is -1, then the lines are perpendicular.
5. Can lines intersect at more than one point?
Ans. No, lines can only intersect at one point. If two lines intersect at multiple points, they are considered to be the same line. Intersecting lines share a common point, called the point of intersection.
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