Topic 6-7 (Solving Problems with Rates)

Topic 6-7 (Solving Problems Using Unit Rates)

School Year 2021-2022

Fill in the Blank

What is the cost of 10 bottles of fruit juice? Solve this problem any way you choose.

Solving Rate Problems...

How far could the family travel in 8 hours if they maintain the same rate of speed?

Solving Rates continued...

Christopher was able to type 225 words in 5 min. Find his typing speed in words per min. 

Solving Rates continued...

A canoeing club travels 78 miles in 3 days. How far could they travel in 5 days if they maintain the same speed?

Multiple Choice

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units

Multiple Choice

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

• 0

• 3

• 1

• 2

Multiple Choice

Which of the following shows a unit rate?

• 4 baseball to 3 tennis balls

• Emily reads 1 book

• 65 miles per hour

• $56 for 8 pounds of chicken

Multiple Choice

What is the unit rate for the following situation:

Your heart has 240 beats in 4 minutes.

• $$\frac{240\ beats}{4\ \min}$$

• $$\frac{4\ \min}{240\ beats}$$

• $$\frac{120\ beats}{2\ \min}$$

• $$\frac{60\ beats}{1\ \min}$$

Multiple Choice

What is the unit rate for the following situation:

John can eat 15 hotdogs in 3 minutes.

• $$\frac{15\ hotdogs}{3\ \min}$$

• $$\frac{5\ hotdogs}{1\ \min}$$

• $$\frac{3\min}{15\ hotdogs}$$

• $$\frac{1\ \min}{5\ hotdogs}$$

Multiple Choice

Will spent $8.25 for 5 pounds of granola. What is his unit rate in dollars per pound?

• $.50 per pound

• $1.65 per pound

• $3.25 per pound

• $2.5 per pound

Fill in the Blank

If you can buy four bulbs of elephant garlic for $8 then how many can you buy with $32?

Fill in the Blank

You earn $35 for washing 7 cars. How much do you earn for washing 4 cars?