**Warmup**

Solve the equation, enter your answer. Then, click . Do as many as you can.

**Activity #1**

**Find Total Edge Length of a Cube**.

Here are some cubes with different side lengths.

- Study them and complete the table below.

Explain how the total edge length of *any *cube is found.

- Complete the table.

(1.) What is the surface area of each cube?

(2.) Explain how the surface area of ** any **cube is found.

- Complete the table.

(1.) What is the volume of each cube?

(2.) Explain how the volume of ** any **cube is found.

**Activity #2**

**Complete a Table** **from a Given Relationship.**

In this section, you are going to complete a table of missing values of y from a given equation.

- Complete the table using the equation:

- Complete the table using the equation:

- Complete the table using the equation:

- Complete the table using the equation:

- Complete the table using the equation:

- Complete the table using the equation:

**Activity #3**

**Represent Ratio with Diagrams**.

- Use the equation where
represents degrees Fahrenheit and*F*represents degrees Celsius, to complete the table.*C*

(1.) Is the relationship between temperature (⁰**C**) and temperature (⁰** F**) a proportional relationship?

(2.) Explain why or why not.

- Use the equation
*C***=****2.54**where*n*represents the length in centimeters and*C*represents the length in inches, to complete the table.*n*

(1). Is the relationship between length (in) to length (cm) a proportional relationship?

(2.) Explain why or why not.

**Challenge #1**

**Challenge #2**

(1). Which of the relationships in Activity #2 above will represent a proportional relationship?

(2). *Explain *how you know that relationship is proportional.

(3). Write equations for the total edge length ** E**, total surface area

**Challenge #3**

(1.) Which of the relationships in Activity #2 above will represent a proportional relationship?

(2.) Decide whether or not each equation below represents a proportional relationship.

**Quiz Time**

https://www.ixl.com/math/grade-7/identify-proportional-relationships-from-graphs-and-equations

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