Step-5

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

This 3D object has no sides/faces and no corners.

2

Step

Cube and cuboid have six faces,12 edges, and eight vertices

3

Step

Consider one sphere that has no sides no corners, and no edges

4

Step

The cone has 2 faces and no edges, and no vertice

5

Step

The given object is like sphere properties.

6

SumUp

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

7

Choice.A

The rectangular prism should have 8 vertices, 12 edges, and 6 faces, but these values don’t align, rendering the answer incorrect

Prism

8

Choice.B

The sphere lacks faces, vertices, or edges, aligning with the given values, making it the correct solution

Sphere

9

Choice.C

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

Cone

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

B

12

SumUp

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


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