Illustrative Math-Media4Math Alignment

 

 

Illustrative Math Alignment: Grade 6 Unit 1

Dividing Fractions

Lesson 15: Volume of Prisms

Use the following Media4Math resources with this Illustrative Math lesson.

Thumbnail Image Title Body Curriculum Nodes
Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio

This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video.

Volume
Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio

This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video.

Volume
Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio

This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video.

Volume
Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio Video Definition 59--3D Geometry--Volume--Spanish Audio

This is part of a collection of math video definitions related to the topic of 3D Geometry. These videos have Spanish audio. Note: The download is an MP4 video.

Volume
Video Definition 59--3D Geometry--Volume Video Definition 59--3D Geometry--Volume Volume

Topic

3D Geometry

Definition

Volume is the amount of space occupied by a three-dimensional object.

Description

Volume is a fundamental concept in geometry, representing the amount of space a three-dimensional object occupies. It is essential for calculating the capacity of containers, the displacement of fluids, and the mass of objects. Understanding volume involves using formulas specific to each shape, such as 

V = l × w × h

 for a rectangular prism or 

V = 4/3 πr3

Volume
Video Definition 59--3D Geometry--Volume Video Definition 59--3D Geometry--Volume Volume

Topic

3D Geometry

Definition

Volume is the amount of space occupied by a three-dimensional object.

Description

Volume is a fundamental concept in geometry, representing the amount of space a three-dimensional object occupies. It is essential for calculating the capacity of containers, the displacement of fluids, and the mass of objects. Understanding volume involves using formulas specific to each shape, such as 

V = l × w × h

 for a rectangular prism or 

V = 4/3 πr3

Volume
Video Definition 59--3D Geometry--Volume Video Definition 59--3D Geometry--Volume Volume

Topic

3D Geometry

Definition

Volume is the amount of space occupied by a three-dimensional object.

Description

Volume is a fundamental concept in geometry, representing the amount of space a three-dimensional object occupies. It is essential for calculating the capacity of containers, the displacement of fluids, and the mass of objects. Understanding volume involves using formulas specific to each shape, such as 

V = l × w × h

 for a rectangular prism or 

V = 4/3 πr3

Volume
Video Definition 59--3D Geometry--Volume Video Definition 59--3D Geometry--Volume Volume

Topic

3D Geometry

Definition

Volume is the amount of space occupied by a three-dimensional object.

Description

Volume is a fundamental concept in geometry, representing the amount of space a three-dimensional object occupies. It is essential for calculating the capacity of containers, the displacement of fluids, and the mass of objects. Understanding volume involves using formulas specific to each shape, such as 

V = l × w × h

 for a rectangular prism or 

V = 4/3 πr3

Volume
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio)

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio)

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio)

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio) Video Definition 23--Polynomial Concepts--Volume Models with Polynomials (Spanish Audio)

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials Video Definition 23--Polynomial Concepts--Volume Models with Polynomials

Topic

Polynomials

Description

Volume Models with Polynomials: Using a cubic polynomial function to model the volume of a figure to find the maximum volume. Example involves a rectangular prism with dimensions x + 2, x + 4, and 5 - x, leading to a cubic equation. Extends the application of polynomials to geometric optimization problems.

Polynomial Expressions
Definition--Polynomial Concepts--Volume Models with Polynomials Definition--Polynomial Concepts--Volume Models with Polynomials Volume Models with Polynomials

Topic

Polynomials

Definition

Volume models with polynomials involve using polynomial expressions to represent the volume of three-dimensional geometric shapes.

Description

Polynomials play a significant role in various fields of mathematics and applied sciences. In the context of volume models, polynomials are used to represent the dimensions and volume of geometric shapes. For instance, the volume of a rectangular prism can be expressed as a polynomial where the length, width, and height are variables. This allows for a flexible and powerful way to model and solve real-world problems involving three-dimensional spaces.

Polynomial Expressions
Definition--Polynomial Concepts--Volume Models with Polynomials Definition--Polynomial Concepts--Volume Models with Polynomials Volume Models with Polynomials

Topic

Polynomials

Definition

Volume models with polynomials involve using polynomial expressions to represent the volume of three-dimensional geometric shapes.

Description

Polynomials play a significant role in various fields of mathematics and applied sciences. In the context of volume models, polynomials are used to represent the dimensions and volume of geometric shapes. For instance, the volume of a rectangular prism can be expressed as a polynomial where the length, width, and height are variables. This allows for a flexible and powerful way to model and solve real-world problems involving three-dimensional spaces.

Polynomial Expressions
Definition--Polynomial Concepts--Volume Models with Polynomials Definition--Polynomial Concepts--Volume Models with Polynomials Volume Models with Polynomials

Topic

Polynomials

Definition

Volume models with polynomials involve using polynomial expressions to represent the volume of three-dimensional geometric shapes.

Description

Polynomials play a significant role in various fields of mathematics and applied sciences. In the context of volume models, polynomials are used to represent the dimensions and volume of geometric shapes. For instance, the volume of a rectangular prism can be expressed as a polynomial where the length, width, and height are variables. This allows for a flexible and powerful way to model and solve real-world problems involving three-dimensional spaces.

Polynomial Expressions
Definition--Polynomial Concepts--Volume Models with Polynomials Definition--Polynomial Concepts--Volume Models with Polynomials Volume Models with Polynomials

Topic

Polynomials

Definition

Volume models with polynomials involve using polynomial expressions to represent the volume of three-dimensional geometric shapes.

Description

Polynomials play a significant role in various fields of mathematics and applied sciences. In the context of volume models, polynomials are used to represent the dimensions and volume of geometric shapes. For instance, the volume of a rectangular prism can be expressed as a polynomial where the length, width, and height are variables. This allows for a flexible and powerful way to model and solve real-world problems involving three-dimensional spaces.

Polynomial Expressions
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 3: Ratio of Surface Area to Volume. Closed Captioned Video: Geometry Applications: Area and Volume, 3 Closed Captioned Video: Geometry Applications: Area and Volume, 3

Topic

Area and Volume

Description

This segment explores the surface area-to-volume ratio using the Citigroup Building as an example. It discusses how this ratio impacts energy efficiency in buildings and compares it to natural examples like polar bears and snakes for context.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 3: Ratio of Surface Area to Volume. Closed Captioned Video: Geometry Applications: Area and Volume, 3 Closed Captioned Video: Geometry Applications: Area and Volume, 3

Topic

Area and Volume

Description

This segment explores the surface area-to-volume ratio using the Citigroup Building as an example. It discusses how this ratio impacts energy efficiency in buildings and compares it to natural examples like polar bears and snakes for context.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 3: Ratio of Surface Area to Volume. Closed Captioned Video: Geometry Applications: Area and Volume, 3 Closed Captioned Video: Geometry Applications: Area and Volume, 3

Topic

Area and Volume

Description

This segment explores the surface area-to-volume ratio using the Citigroup Building as an example. It discusses how this ratio impacts energy efficiency in buildings and compares it to natural examples like polar bears and snakes for context.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume

Topic

Area and Volume

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 3: Ratio of Surface Area to Volume. Closed Captioned Video: Geometry Applications: Area and Volume, 3 Closed Captioned Video: Geometry Applications: Area and Volume, 3

Topic

Area and Volume

Description

This segment explores the surface area-to-volume ratio using the Citigroup Building as an example. It discusses how this ratio impacts energy efficiency in buildings and compares it to natural examples like polar bears and snakes for context.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 3: Ratio of Surface Area to Volume. Closed Captioned Video: Geometry Applications: Area and Volume, 3 Closed Captioned Video: Geometry Applications: Area and Volume, 3

Topic

Area and Volume

Description

This segment explores the surface area-to-volume ratio using the Citigroup Building as an example. It discusses how this ratio impacts energy efficiency in buildings and compares it to natural examples like polar bears and snakes for context.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 1: Volume and Density. Closed Captioned Video: Geometry Applications: Area and Volume, 1 Closed Captioned Video: Geometry Applications: Area and Volume, 1

Topic

Area and Volume

Description

This segment explores the concept of density, using the Titanic to demonstrate buoyancy and the relationship between mass and volume. It introduces direct variation, rational functions, and how these principles apply to ship design for optimal floating capacity.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 3: Ratio of Surface Area to Volume. Closed Captioned Video: Geometry Applications: Area and Volume, 3 Closed Captioned Video: Geometry Applications: Area and Volume, 3

Topic

Area and Volume

Description

This segment explores the surface area-to-volume ratio using the Citigroup Building as an example. It discusses how this ratio impacts energy efficiency in buildings and compares it to natural examples like polar bears and snakes for context.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume

Topic

Area and Volume

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume

Topic

Area and Volume

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume, Segment 2: Surface Area. Closed Captioned Video: Geometry Applications: Area and Volume, 2 Closed Captioned Video: Geometry Applications: Area and Volume, 2

Topic

Area and Volume

Description

This segment focuses on surface area, using the Louvre Pyramid to highlight geometric tessellations and triangular net calculations. It explains the surface area formula for pyramids and how these calculations are applied in architectural design and material efficiency.

Applications of Surface Area and Volume, Surface Area and Volume
Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume Closed Captioned Video: Geometry Applications: Area and Volume

Topic

Area and Volume

Applications of Surface Area and Volume, Surface Area and Volume