Math Ratios and Rates

What is the least common multiple of 6 and 8?

• 12
• 24
• 32
• 48

At a summer camp, there are 40 boys out or 70 campers.  What is the ratio written as a fraction in simplest form?

• 3/7
• 1/2
• 4/7
• 7/10

There are 2 chickens, 4 deer, 3 donkeys and 6 goats are at a petting zoo.  What is the ratio of goats to the total number of animals?

• 5/2
• 9/6
• 6/9
• 2/5

Write as a unit rate.
9 pages in 3 hours

• 1 page/3 hours
• 3 pages/ 1 hour
• 6 pages/ 1 hour
• 9 pages/ 3 hours

Write as a unit rate.  
20 pounds for $4

• 5 lbs./ $1
• 4 lbs./$1
• 1 lbs./$4
• 1 lbs./$5

A manatee surfaced for air 2 times in 60 seconds.  How many seconds went by before the manatee surfaced the first time if it held its breath for the same rate?

• 60 s
• 30 s
• 20 s
• 10 s

Nicolas bought 5 pens for $3.  At this rate, how much will he spend on 10 pens.
Number of Pens       5      10
Money spent              3        ?

• $10
• $6
• $5
• $3

Rashida bought 3 tickets to a concert for $75.  At this rate, how much would 5 tickets cost?
Number of Tickets   3        ?        ?
Money Spent ($)      75        ?        ?

• $150
• $125
• $100
• $75

Gina read 120 pages in 4 days.  Which reading rate is equivalent?

• 75 pages in 3 days
• 60 pages in 2 days
• 105 pages in 5 days
• 80 pages in 3 days

Five notebooks cost $20.  At this rate, how much would 4 notebooks cost?

• $16
• $20
• $25
• $30