Ratio and proportion

20 Fuji apples cost $12. How many Fuji apples can you buy for $3?

Select the proportion that represents the situation correctly.

Tags

CCSS.7.RP.A.2C

A Lego model of the Burj Khalifa was created using a scale of 1 foot = 650 feet. If the lego model reaches a height of 4.18 feet, what is the height of the Burj Khalifa?

• 2,717 feet

• 2, 152 feet

• 2, 376 feet

Tags

CCSS.7.RP.A.2C

Write an equation to represent the proportional relationship.

• y = 1/12x

• y = 11x

• y = 6x

• y = 12x

Tags

CCSS.7.RP.A.2C

• 35

• 11.43

• 140

• 80

Tags

CCSS.7.RP.A.2C

What is the correct equation for a multiplicative relationship?

• y = x + 5

• x = 5y

• y = 5x

Tags

CCSS.7.RP.A.2C

If the constant of proportionality (multiplier) is 10, which of the following is the correct proportional equation?

• 10=kx
• 10=k
• y=10k
• y=10x

Tags

CCSS.7.RP.A.2C

Which equation shows a NON-proportional relationship of x and y?

• y = 5x
• y = -5.6x
• y = x + 3
• y = 1/2x

Tags

CCSS.7.RP.A.2C

Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "Part and Whole"?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2C

What is a scale drawing?

• A drawing that shows a real object enlarged or reduced
• A drawing of the weight of an object
• A life size drawing of an object
• A drawing that shows all the sides of a building

Tags

CCSS.7.RP.A.2C

Determine if the equation is proportional.

y = 2x + 10

• proportional

• not proportional

Tags

CCSS.7.RP.A.2C