Page 137 - Touchpad Mathematics_Ver1.0_C4

 A solid shape is an object that takes up space.

 A plane shape is flat and can be drawn on paper.
 A curved shape is a figure with a smooth, continuous outline that is not straight.

 Lines are of two types — straight and curved. Straight lines can be horizontal,
vertical or slanting.

 A surface is the part of an object which can be seen, touched and felt. The surface
can be plane or curved.

Learning LOGS

1. Fill in the blanks.

a. A triangle has _________ sides and _________ corners (vertices).

b. A rectangle has _________ sides and _________ corners (vertices).
c. All the sides of a square are _________.

d. The _________ sides of a rectangle are equal.

e. A circle has _________ sides and _________ corners (vertices).

2. Fill in the blanks.

a. I have 1 curved and 1 flat face. I am a _____________________.
b. I have two flat and one curved face. I am a _____________________.

c. I have 12 edges and 3 pairs of equal opposite faces. I am a _____________________.

d. I have only 1 face and no corners. I am a _____________________.
e. I have 8 corners and 6 equal faces. I am a _____________________.

21 st
3. Count the number of plane shapes. Century #Computational Thinking
Skills

a. b.

135
135
Geometry
Geometry