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7

Geometry

LEARNING ObjEctIvEs

After studying this chapter, students will be able to...

y know more about solids, make solids using nets
y know the relation between edges, vertices, and faces
y recall basic geometrical shapes
y measure and draw a line segment
y understand angles and right angles
y describe polygons and their types
y identify and draw a circle and its parts

21 st
Century #Life Skills and Values
Skills
Warm Up Birthday Celebration
A birthday is a favourite day for
all children. It comes only once in
a year. We celebrate our birthdays
with great joy and happiness.
th
It is Saket’s 9 birthday. He is
celebrating his birthday with his
parents and friends. In the picture,
you can see several objects that
have different solid shapes. Can
you name them?

112 Mathematics 4