Title: DAISY NELSON
1DAISY NELSON PRIYA.G.NATH
PRT
KENDRIYA VIDYALAYA NO 1,
JALAHALLI-WEST,
BANGALORE-560 015
2SUBJECT MATHEMATICS TOPIC GEOMETRICAL
SHAPES CLASS IV
3THE WORLD OF SHAPES
4OBJECTS WE SEE AROUND US
5What 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.
6THE 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
7GEOMETRICAL SHAPES
CUBE
CUBOID
CONE
CYLINDER
SPHERE
8- PLANE FIGURES CAN BE OBTAINED BY DRAWING
- ALONG THE E DGES OF ONE FACE OF THE SOLIDS
9 10Plane figures can be obtained by drawing the
edges of one face of the solid figure
Geometrical solids
Plane figures
11PLANE FIGURES
12we need these to draw shapes
Line segment
curve
13PLANE FIGURES
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.
14TRIANGLE
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 .
15 Write the total number of squares in
the figure given below?
Ans..----------------------
16WORKSHEET
write the number of triangles in the figure given
below?
Ans..-------------
Ans.------------
Ans.------------------
17Write the total number of circles in the given
figure?
18FUN WITH SHAPES
19Identify the shapes and the signs seen in your
surroundings
20Identify the different shapes in the picture