Step-3

Title: 3D-shapes

Grade: 4-a Lesson: S2-L8

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

Identify the shape in the given image.

2

Step

The number of vertex is

8

3

Step

The number of edges is

12

4

Step

The number of face is

6

5

Step

So, the given image is like rectangular prism.

6

SumUp

Can you summarize what you’ve understood in the above steps?

7

Choice.A

The sphere lacks faces, vertices, and edges, making it incompatible with the correct answer; thus, it’s incorrect

Sphere

8

Choice.B

The cone has a single circular base with no edges, deviating from the expected properties, making it incorrect

Cone

9

Choice.C

A rectangular prism has 8 vertices, 12 edges, and 6 faces, it matches the answer. Therefore, it is the correct answer

Prism

10

Choice.D

The cylinder, with 2 faces, 2 edges, and no vertices, contradicts the expected values, rendering it an incorrect answer

Cylinder

11

Answer

Option

C

12

SumUp

Can you summarize what you’ve understood in the above steps?


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