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Geometrical shapes
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Grade - 2

Grade - 2

Subject - Mathematics

Unit - Geometry

Topic - Geometrical shapes

School Army School Roorkee

Prepared by Mrs. Ranjana

Slide 2

Major Concepts

Major Concepts

Develop understanding and appreciation of geometrical shapes and their characteristic.

Develop and exhibit creativity.

Develop power of thinking and reasoning.

Develop scientific temper.

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Slide 3

Minor Concepts

Minor Concepts

Students will be able to recognized different geometrical shapes.

Students will be able to relate various shapes like that of bangle, cart,cone,box etc with circle,triangle,quadrilateral etc.

Slide 4

Menu:

Menu:

Contents

Quiz

Slide 5

Contents:

Contents:

Polygon

Triangle

Quadrilateral

Circle : Parts of a circle

Radius

Diameter

Chord

Circumference

Slide 6

Polygon

Polygon

A simple closed figures by joining three or more line segments is called polygon

Lets study about types of polygons

Slide 7

Triangle

Triangle

It is a closed figure formed by joining three line segments . So , a triangle is a polygon . Different shapes of triangle are shown below:

The three line segments which form the triangle are called its sides .

Slide 8

Quadrilateral

Quadrilateral

It is a closed figure formed by joining four line segments called quadrilateral. So quadrilateral is a polygon. Different shapes of quadrilateral are shown below:

The four line segments which form a quadrilateral are called its sides.

Slide 9

Circle

Circle

A closed curve formed in such a way that any point on this curve is equidistant from a fixed point which is in the interior of the curve.

A

D

O

OA = OB = OC = OD

o

B

C

Slide 10

Parts of a circle

Parts of a circle

Center

Radius

Diameter

Chord

Circumference

Slide 11

Center

Center

A fixed point in the interior of circle whose distance from all the points on the circle is same.

A

B

C

D

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