Ratios and Proportions

What is a Ratio?

• comparison of two quantities 

• multiply two fractions 

• number over another number

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which best describes the constant rate of change?

• the change in x/the change in y

• the change in y/the change in x

• the rate of a graph

• a proportional relationship

Tags

CCSS.7.RP.A.2D

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2A

Which graph is non-proportional?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• Linear

• The line goes through the origin

• Curvy line

• Linear and the line goes through the origin

Tags

CCSS.7.RP.A.2D

Which of these describes the unit rate?

• a unit of measure

• a fraction with a numerator of one

• a fraction with a denominator of one

• a proportion

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• 18

• 3

• 2

• 9

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• 60

• 15

• 3

• 12

Tags

CCSS.7.RP.A.2C