How can you show an infinite number of possible answers? Egg salad: $5 per pound 1 pound for $5 3 pounds for $15 20 pounds for $100

In this lesson you will learn to display all the possibilities in a proportional relationship by graphing.

Let’s Review Proportional relationships 30 miles every 2 hours 2 pounds cost $6

A Common Mistake Use equal steps for a graph’s scales! (3, 11) (2, 5) (1, 2) 1 2 3

Let’s Review Core Lesson 2 pounds for $6 Weight (lb.) Cost ($)

Let’s Review Core Lesson Weight (lb.) Cost ($) Cost ($) Weight (lb.)

Let’s Review Core Lesson Distance (mi.) Time (hr.) 30 miles in 2 hours 45 miles in 3 hours

In this lesson you have learned to display all the possibilities in a proportional relationship by graphing.

Let’s Review Guided Practice Graph the proportional relationship “3 pounds of egg salad for $2.”

Let’s Review Guided Practice State in words the proportional relationship shown here. (There are many correct answers!) Distance (ft.) Time (min.)

Let’s Review Guided Practice Multiple choice: Which graph shows a proportional relationship? A.B.C.D.

Let’s Review Extension Activities Graph a proportional relationship with negative quantities, like “a loss of 3 dollars per day.” Discuss why the graph is in the fourth quadrant.

Let’s Review Extension Activities Graph a relationship that is not proportional. Discuss why it is not. Side of a square (in.) Area of the square (in. 2 )

Let’s Review Quick Quiz Graph the proportional relationship “15 miles in 3 hours.”

Let’s Review Quick Quiz State in words the proportional relationship shown here. (There are many correct answers!) Cost ($) Weight (ounces)