Proportionality and Scale Drawings

A recipe calls for 3/4 cup of brown sugar for every 3 eggs. What is the unit rate of eggs per cup? 

• 1 cup per egg
• 2 cups per egg
• 3 eggs per cup
• 4 eggs per cup

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

• 11 cents
• 12 cents
• 13 cents
• 10 cents

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What was Brian's unit rate?

• 3/2 word per minute
• 30 minutes per word
• 60 minutes per word
• 30 words per minute

Tags

CCSS.7.RP.A.2D

Ben drinks tea at a relatively quick rate.  He drinks 1/2 liter of tea every 2/3 of an hour.  How much tea does Ben drink per hour?

• 1 and 1/3 of an hour per liter
• 3/4 of a liter per hour
• 1 and 1/3 liter per hour
• 3/4 of an hour per liter

Tags

CCSS.7.RP.A.1

Identify the constant of proportionality.

• k = 6

• k = 12

• k = 1/6

• k = 1/12

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Tags

CCSS.7.RP.A.2B

The constant of proportionality of this graph is k = 45. What does it mean?

• The boat travels for 45 miles for every 45 hours

• The boat travels 1 mile for every 45 hours

• The boat travels 45 miles for every 1 hour

• The boat travels 1/45 mile for every 1 hour

Tags

CCSS.7.RP.A.2D

Write an equation that represents the relationship between the weight(x) and the cost(y).

• y = 1/2 x

• y = 1/4 x

• y = 2x

• y = 4x

Tags

CCSS.8.EE.B.5

Write an equation for the proportional relationship in the table.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

Tags

CCSS.7.RP.A.2C