Proportional Reasoning 2019

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?

• $2.45
• $4.00
• $7.25
• $1.25

Write an equation for this relationship.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

What is the constant of proportionality?

• 15
• 5
• 75
• 25

Tags

CCSS.HSF-LE.A.1B

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

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

Write an equation for this situation.

• y = 9.75x
• y = 19x
• y = 19.25x
• y = 9.5x

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37
• $64.75
• $9.25
• $18.50

What is the constant of proportionality of the table given

• k = 1
• k = 3
• k = 2
• There is not one.

Use the double number line to determine the constant of proportionality (miles per hour)

• 124
• 62
• 1
• 31