Introduction to Rates

Rates & Unit Rates

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Multiple Choice

$$\ \frac{65\ miles}{3\ hours}$$  Is this a rate or a unit rate?

• rate

• unit rate

Multiple Choice

$$\text{3 pages per minute}$$  Is this a rate or a unit rate?

• rate

• unit rate

Multiple Choice

A rate written as 50 miles per hour is an example of a ____________________________

• quantity

• mass

• unit rate

• equivalent ratio

Multiple Choice

Four pounds of bananas cost $6.  What is the cost per pound of bananas?

• $24 per pound
• $1.50 per pound
• $1 per pound
• $6 per pound

Multiple Choice

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento
• Velveeta

Multiple Choice

Which is the better deal?
Oreos
$2.98 for 15 oz
OR
Chips Ahoy
$2.50 for 14 oz

• Oreos
• Chips Ahoy

Multiple Choice

Which is the "better buy"?  A 12 ounce can of corn for $1.92 of  a 20 ounce can of corn for $3.00?

• They are the same
• The  20 ounce can
• The 12 ounce can

Multiple Choice

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

Multiple Choice

When are unit rates useful? Choose the best answer.

• When you want to subtract a number by another.
• When you want to multiply one number by another.
• When you want to compare prices.
• When you want to figure out the probability of a number.