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# Unit: Volume and surface area

## Volume with fractions

#### Quiz 1

Identify your areas for growth in these lessons:

#### Quiz 2

Identify your areas for growth in this lesson:

## Volume of cones, cylinders, and spheres

#### Quiz 3

Identify your areas for growth in this lesson:

## Solid geometry

Learn
No videos or articles available in this lesson

## Surface and volume density

Practice

#### Quiz 4

Identify your areas for growth in these lessons:

## Cross sections of 3D objects

#### Quiz 5

Identify your areas for growth in this lesson:

## Heron's formula

#### Unit test

Test your understanding of Volume and surface area with these 13 questions.

### 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.