DAISY NELSON

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DAISY NELSON PRIYA.G.NATH
PRT
KENDRIYA VIDYALAYA NO 1,
JALAHALLI-WEST,
BANGALORE-560 015
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SUBJECT MATHEMATICS TOPIC GEOMETRICAL
SHAPES CLASS IV
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THE WORLD OF SHAPES
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OBJECTS WE SEE AROUND US
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What is a RECTANGLE?,straight or tall? The door
that stands within your walls. A dollar bill , a
loaf of bread, the mattress lying on your
bed. What is a TRIANGLE ? sides of three? A
piece of pie for you and me. A musical triangle
,ding, ding,ding. A slice of pizza with
everything. These are the shapes seen
everywhere, a triangle, rectangle, circle,
square. If you look closely where you have
been, Youll surely see the shapes youre in.
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THE SHAPES OF THINGS
What is a CIRCLE? What is round?
A Quarter rolling on the ground. A wheel is a
circle ,so is the moon A bottle cap or a big
balloon. What is SQUARE?,with sides the
same The wooden board for a checker game. A slice
of cheese , a T.V screen A table napkin to keep
you clean.
SHAPES
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GEOMETRICAL SHAPES
CUBE
CUBOID
CONE
CYLINDER
SPHERE
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• PLANE FIGURES CAN BE OBTAINED BY DRAWING
• ALONG THE E DGES OF ONE FACE OF THE SOLIDS

• PLANE FIGURES

• GEOMETRICAL SOLIDS

• SQUARE

• CUBE

• CUBOID

• RECTANGLE

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• CYLINDER

• CIRCLE

• TRIANGLE

• PRISM

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Plane figures can be obtained by drawing the
edges of one face of the solid figure
Geometrical solids
Plane figures
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PLANE FIGURES
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we need these to draw shapes
Line segment
curve
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PLANE FIGURES

• SQUARE

• RECTANGLE

A square has 4 sides. A square has 4
vertices. All the sides are equal.
A rectangle has 4 sides. A rectangle has 4
vertices . The opposite sides of a rectangle
are equal.
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TRIANGLE
CIRCLE
A circle has no sides . A circle has no
corners . .A circle is a simple closed curve.
A triangle has 3 sides. A triangle has 3
vertices .
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Write the total number of squares in
the figure given below?
Ans..----------------------
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WORKSHEET
write the number of triangles in the figure given
below?
Ans..-------------
Ans.------------
Ans.------------------
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Write the total number of circles in the given
figure?
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FUN WITH SHAPES
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Identify the shapes and the signs seen in your
surroundings
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Identify the different shapes in the picture