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Understanding Surface Areas of 3D Objects

Understanding Surface Areas of 3D Objects

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Medium

Created by

Thomas White

Used 2+ times

FREE Resource

The video tutorial explains the differences between total surface area, lateral surface area, and curved surface area for various 3D objects. It covers the definitions and calculations for cubes, cuboids, cylinders, cones, spheres, and hemispheres. The tutorial emphasizes understanding these concepts to solve related mathematical problems effectively.

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between area and surface area?

Area is for 2D objects, surface area is for 3D objects.

Area is for 3D objects, surface area is for 2D objects.

Area is measured in cubic units, surface area in square units.

Area and surface area are the same.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of surface area includes all the surfaces of a 3D object?

Lateral surface area

Curved surface area

Total surface area

None of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many faces does a cube have?

4

6

12

8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the total surface area of a cube with side length S?

8S²

6S²

4S²

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which surfaces are included in the lateral surface area of a cube?

None of the above

Top and bottom faces

Four side faces

All six faces

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the total surface area of a cuboid?

None of the above

4(lb + bh + hl)

lb + bh + hl

2(lb + bh + hl)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following does not have a curved surface area?

Cylinder

Cube

Cone

Cuboid

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