Comparing Situations by Examining Ratios

A pound of ground beef costs $5. At this rate, how much would it cost for 1/4 pound?

• $2.50

• $1.25

• $2.00

• $1.75

A ratio can be written in 3 ways. Which of the following is NOT how a ratio is written?

• 3=4

• 3 : 4

• 3 / 4

• 3 to 4

A slug travels 3 centimeters in 3 seconds. A snail travels 6 centimeters in 6 seconds. Which traveled faster?

• the slug

• the snail

• The slug and the snail were traveling at the same rate.

• There is not enough information to determine which animal was traveling faster.

Rebecca is playing her favorite video game, Starlight: The Space Explorer. On the first level, she earned 3 energy points and 8 stars. On the second level, she earned 2 energy points and 5 stars. Did Rebecca earn the same ratio of energy points to stars on both levels?

• yes

• no

Emilia and Darnell are arguing over who makes the best fruit punch. Emilia likes to use 2 cups of grape juice for every 5 cups of pineapple juice. Darnell prefers to use 1 cup of grape juice for every 4 cups of pineapple juice. Do Emilia and Darnell use the same ratio of grape juice to pineapple juice?

• yes

• no

Last night, Clara and her brother, Stefan, made personal pizzas for dinner. Clara put 4 pepperoni pieces and 6 ham pieces on her pizza. Stefan put 6 pepperoni pieces and 10 ham pieces on his pizza. Did Clara's and Stefan's pizzas have the same ratio of pepperoni pieces to ham pieces?

• yes

• no

Zane's cats love tuna fish, so he always mixes a little into their food at dinnertime. For his small cat, he adds 2 ounces of tuna fish to 10 ounces of cat food. For his large cat, he adds 3 ounces of tuna fish to 12 ounces of cat food. Which cat's meal tastes more like tuna fish?

• Large cat

• Small cat

• They are the same

Brett made oat bars for his school's bake sale. For his first batch, Brett mixed 1 cup of caramel chips and 4 cups of oats. To make sure he had enough, he made a second batch, and mixed 2 cups of caramel chips and 8 cups of oats. Which batch of oat bars was more caramelly?

• The first batch was more caramelly.

• The second batch was more caramelly.

• Neither, the batches were equally caramelly.

Megan and her little sister, Nora, counted their Halloween candy after trick-or-treating. They love taffy and wanted to know who collected more taffy pieces compared to the rest of the candy. In Megan's bag, 20 out of the 50 candy pieces were taffy. In Nora's bag, 11 out of the 25 pieces were taffy. Who got the greater ratio of taffy to total candy pieces?

• Megan got the greater ratio.

• Nora got the greater ratio.

• .Neither. The girls got the same ratio

What number will make the equation equivalent? 

• 6

• 4

• 3