Proportional Thinking

What mathematical operation do ratios involve?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.6.RP.A.3A

Find the unit rate of one diaper if a box of 35 diapers costs $6.99.

• $244.65
• $1.00
• $6.99
• $0.20

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

• The 12 pack of Coke
• The 6 pack of Coke
• Neither
• They are the same

Tags

CCSS.6.RP.A.3B

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles

Tags

CCSS.6.RP.A.3B

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

• $3.60

• $3.55

• $3.40

• $3.50

Tags

CCSS.6.NS.B.3

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

You go to the grocery store to buy dog food. The store has three sizes available:

A 20-lb bag for $23.44

An 8-lb bag for $9.88

A 40-lb bag for $49.00

Which size bag has the lowest cost per pound rounded to the nearest cent?

• The 8-lb bag

• The 20-lb bag

• The 40-lb bag

• I have a cat

Tags

CCSS.6.RP.A.3B

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

I paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?

• $0.40
• $9.00
• $2.50
• $0.90

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2