Intro to Rates Assessment

What is the unit rate for the following situation:

Alice drives 250 miles in 5 hours. 

•  $\frac{250\ miles}{5\ hours}$ 

•  $\frac{50\ miles}{1\ hr}$ 
  

•  $\frac{125\ miles}{2.5\ hrs}$ 
  

•  $\frac{1\ hr}{50\ miles}$ 
  

Daniel’s gym class has 35 students and 7 basketballs. What was the ratio of students to basketballs? 

• 5 to 1
• 1 to 5
• 7 to 1
• 1 to 7

What is the missing number in the ratio table?

• 21
• 24
• 27
• 25

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

How many ways can you write a ratio

• 1
• 3
• 2
• 4

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18