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Unit: Volume and surface area

About this unit

Volume and surface area help us measure the size of 3D objects. We’ll start with the volume and surface area of rectangular prisms. From there, we’ll tackle trickier objects, such as cones and spheres.

Volume of rectangular prisms

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Practice

Volume with fractions

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Practice

Quiz 1

Identify your areas for growth in these lessons:
Volume of rectangular prisms
Volume with fractions

Surface area

Learn

Practice

Quiz 2

Identify your areas for growth in this lesson:
Surface area

Volume of cones, cylinders, and spheres

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Practice

Quiz 3

Identify your areas for growth in this lesson:
Volume of cones, cylinders, and spheres

Solid geometry

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Practice

Surface and volume density

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Practice

Quiz 4

Identify your areas for growth in these lessons:
Solid geometry
Surface and volume density

Cross sections of 3D objects

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Practice

Quiz 5

Identify your areas for growth in this lesson:
Cross sections of 3D objects

Koch snowflake fractal

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Heron's formula

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Unit test

Test your understanding of Volume and surface area with these 14 questions.