std 3 SCERT Maths [Lesson 4 When Shapes Join]
LESSON 4
WHEN SHAPES JOIN
SOLID SHAPES
Objects that do not
entirely lie on a flat
surface are called
solids.
These are some solid shapes.
Cuboid [Rectangular block]
A cuboid is 6 faces. It
has 12 edges and
8 Corners.
Cube
Cube has 6 faces. All
faces are square. It
has 12 edges and
8 Corners.
Cone
Activity 1
Find out the shapes of
the objects below
*Bangle-Circle
*Ball-Sphere
*Post Card-Rectangle
*bread-Square
*Chalk-Cylinder
*Birthday hat-Cone
*Pencil box-Cuboid
*dice-Cube
*Samoosa-triangle
Activity 2 [Match the following]
Activity 3
List the following objects by their shapes
*Circle, Triangle,
Rectangle
*rectangle shape-Roof
of the shop ,etc....
*Circle shape -Wheel of
vehicle, etc....
* Triangle shape-
Tower,Garlands,etc..
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