31
3-D Shapes
For this activity, use Template 1 given on page 37.
1. Stick Template 1 on a Bristol paper.
2. Cut it out and fold it as indicated.
3. With the help of your teacher, construct a 3D shape out of it.
4. Follow the instructions of your teacher to explore the shape, then
answer the questions that follow.
(a) How many faces does it have? _______
(b) How many edges does it have? _______
(c) How many vertices does it have? _______
(d) What is the shape of the faces? _______
This shape is called a cube.
2. Use your ruler to join the dots in ascending order
starting with 1, 2, 3,..., 8 and then join the following pairs:
(a) 1 and 4
(b) 1 and 8
(c) 2 and 7
(d) 3 and 6
(e) 5 and 8
What shape is formed?
___________________________________________________
Is it a 2-D or 3-D shape?
___________________________________________________
Why ?
___________________________________________________
Cube
Activity 2
A cube has _____ square faces, _____ edges and _____ vertices.
Let's work out
14
2 3
6
58
7