Ratios and Rates Unit 3: 7th

What is the difference between a rate and a ratio?

• A rate compares two different units of measurement, while  ratios can compare two similar units.
• A rate compares two similar units, while a ratio compares two different units.

Walmart has cookies on sale 20 for $3.99 and CVS has cookies on sale 36 for $5.99. which is the better buy?

• Walmart
• CVS

There are 108 students attending summer camp, 96 girls and 12 boys. What is the ratio of girls to boys at summer camp? 

• 96:12
• 1 : 8
• 12:96
• 8:1

In the solar system there are 7 planets and about 182 moons. What is the ratio of moons to planets?

• 7:182
• 1:26
• 26:1
• 182:7

What is it called when two or more of the same units are being compared?

• Rate
• Ratio
• Proportion
• Unit Rate

On Saturday, Dr. Morrison drove 340 miles in 5 hours. On Sunday, he drove 198 in 3 hours. What was his hourly rate for Sunday?

• about 200 miles per day
• 66 miles per hour
• .66 hours per mile
• 340 miles in 5 hours

Which is the better deal? 
Doritos
$3.33 for 11 oz
OR
Cheetos
$2.24 for 6.6 oz

• Doritos
• Cheetos

Madeline ran 21.7 miles in 7 hours. What is the unit rate? 

• 21.7 miles per hour
• 3.1 miles per hour
• .32 miles per hour
• 21.77

True or False:
Ratios and rates can both be converted into fractions.
Explain your answer on your paper. Be specific

• False, because...
• True, because...

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4
• 2:5
• 2:11
• 11:2