KENDRIYA VIDYALAYA NO – 1,

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Presentation transcript:

KENDRIYA VIDYALAYA NO – 1, DAISY NELSON PRIYA.G.NATH PRT KENDRIYA VIDYALAYA NO – 1, JALAHALLI-WEST, BANGALORE-560 015

TOPIC : GEOMETRICAL SHAPES SUBJECT : MATHEMATICS TOPIC : GEOMETRICAL SHAPES CLASS : IV

THE WORLD OF SHAPES

OBJECTS WE SEE AROUND US

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, You’ll surely see the shapes you’re in.

THE SHAPES OF THINGS SHAPES 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

GEOMETRICAL SHAPES CUBE CUBOID CONE CYLINDER SPHERE

PLANE FIGURES GEOMETRICAL SOLIDS CUBE SQUARE CUBOID RECTANGLE PLANE FIGURES CAN BE OBTAINED BY DRAWING ALONG THE E DGES OF ONE FACE OF THE SOLIDS PLANE FIGURES GEOMETRICAL SOLIDS CUBE SQUARE CUBOID RECTANGLE

PLANE FIGURES GEOMETRICAL SOLIDS CYLINDER CIRCLE TRIANGLE PRISM

Plane figures can be obtained by drawing the edges of one face of the solid figure Geometrical solids Plane figures

PLANE FIGURES

we need these to draw shapes Line segment curve

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.

TRIANGLE CIRCLE A circle has no sides . * A triangle has 3 sides. A circle has no corners .A circle is a simple closed curve. * A triangle has 3 sides. *A triangle has 3 vertices . *

Write the total number of squares in the figure given below? Ans..----------------------

WORKSHEET write the number of triangles in the figure given below? Ans..------------- Ans.------------ Ans.------------------

Write the total number of circles in the given figure?

FUN WITH SHAPES

Identify the shapes and the signs seen in your surroundings

Identify the different shapes in the picture