Identifying Proportions

What is a proportion?

• when you reduce a fraction to it's simplest form

• 2 or more equal ratios (or fractions)

• a fraction that cannot be simplified

• 2 or more ratios that are NOT equal

Does this represent a proportion?

1 dollar/4 quarters = 2 dollars/8 quarters

• Yes

• No

Does this represent a proportion?

1/3 = 1/4

• Yes

• No

Does this represent a proportion?

1/2 = 5/10

• Yes

• No

Does this represent a proportion?

1 person /3 slices of pizza = 3 people/9 slices of pizza

• Yes

• No

Does this represent a proportion?

1/9 = 2/20

• Yes

• No

What does a proportional relationship look like on a graph?

• a straight line

• a curve

• a straight line that passes or can pass through the origin (0,0)

• not a straight line

Which graph shows a proportional relationship?

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Select ALL of the graphs that represent a Proportional Relationship

(you will need to check more than 1 box)

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