Rates as Comparison

Which runs faster: a cheetah that can run 60 feet in 4 seconds or gazelle that can run 100 feet in 8 seconds?

• cheetah at a unit rate of 14 ft per sec

• gazelle at a unit rate of 12 ft per sec

• cheetah at a unit rate of 15 ft per sec

• gazelle at 12.5 ft per sec

Charles can type 675 words in 9 minutes. How many words can he type per minute?

• 75 words per minute

• 6075 words per minute

• 86 words per minute

• 75 minutes per word

Are these ratios equivalent?

• yes

• no

The graph below represents the rate at which Melanie listens to songs. The equation represents the rate at which Jesse listens to songs.

Over a day, who listens to more songs?

• Melanie

• Jesse

• They listen to the same amount of songs

Who sold more water bottles?

• Seth

• Hayden

• They sold the same amount of water bottles

Israel and Daniel are both swimming laps in the same swimming pool. Israel can swim 4 laps in 6 minutes. Daniel can swim 6 laps in 12 minutes. Based on these rates, which statement is NOT true?

• Daniel can swim more laps than Israel

• Daniel can swim 3 laps in 6 minutes.

• Israel can swim 2 laps in 3 minutes.

• Israel can swim more laps than Daniel

Ken rode his skateboard 42 miles in 6 weeks, riding the same distance each week. Edward rode his bicycle 72 miles in 8 weeks, riding the same distance each week. Which statement correctly compares the number of miles per one week they rode? HINT: Find out how many miles each person rode in ONE week and compare.

• Edward rode 2 more miles per week than Ken rode.

• Ken rode 3 more miles per week than Edward rode.

• Ken rode 15 more miles per week than Edward rode.

• Edward rode 30 more miles per week than Ken rode.

The graph below represents how many cakes Cody made. The equation represents the rate at which Dean makes cakes.

Who makes the least number of cakes in five days?

• Cody

• Dean

• They make the same amount of cakes

The graph represents how many chips Rebecca eats in an hour. The equation represents the rate Leila eats chips at.

Who will eat more chips in 3 hours?

• Rebecca will eat more chips

• Leila will eat more chips

• They will eat the same amount of chips

Israel and Daniel are both swimming laps in the same swimming pool. Israel can swim 4 laps in 6 minutes. Daniel can swim 6 laps in 12 minutes. Based on these rates, which statement is NOT true?

• Daniel can swim more laps than Israel

• Daniel can swim 3 laps in 6 minutes.

• Israel can swim 2 laps in 3 minutes.

• Israel can swim more laps than Daniel