Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: 3D-shapes |
Grade: 4-a Lesson: S2-L7 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
I have 12 straight edges and 6 unequal flat faces. Who am I ? |
|
2 |
Step |
The number of edges is |
12 |
3 |
Step |
The number of faces is |
6 |
4 |
Hint |
Here, the faces are unequal. |
|
5 |
Step |
It has 12 edges and 6 unequal faces. |
|
6 |
Step |
so,it is called Cuboid. |
|
7 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
8 |
Choice.A |
Cuboid has 12 straight edges, but a cone does not have flat faces, so this option is incorrect |
Cuboid and cone |
9 |
Choice.B |
A cube has 12 straight edges and 6 equal flat faces. A cone has a curved surface and does not have flat faces. So, this option is also incorrect |
Cone and cube |
10 |
Choice.C |
Since both A and B contain options with a cone, and a cone doesn’t have flat faces, option C is incorrect |
Both A and B |
11 |
Choice.D |
A cuboid has 12 straight edges and 6 flat faces. This option satisfies the given conditions, so it is correct |
Cuboid |
12 |
Answer |
Option |
D |
13 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
Copyright © 2020-2024 saibook.us Contact: info@saibook.us Version: 1.5 Built: 09-January-2023 08:10 PM EST