Ratios and Comparing Ratios

Describe the ratio of purple circles to red circles.

• For every 5 red circles, there are 6 purple circles.

• For every 6 purple circles, there are 11 total circles.

• For every 5 red circles, there are 11 total circles.

• For every 6 purple circles, there are 5 red circles.

What are the three different ways you can write a ratio?

• Fraction, comma, words

• Fraction, colon, words

• Colon, words, pictures

• Picture, fraction, comma

Derek buys a box of 30 granola bars. The box contains both cranberry bars and raisin bars. The ratio of cranberry bars to raisin bars is 1 to 4. How many of the granola bars in the box are raisin?

• 25

• 24

• 30

• 18

This week, 100 vehicles came to the school car wash. Of those vehicles, 3 out of every 4 were cars and the rest were trucks. How many trucks came to the school car wash this week?

• 75

• 50

• 25

• 3

Gina makes a large batch of macaroni and cheese. Her recipe calls for 1 cup of white cheddar for every 3 cups of sharp cheddar. If she uses 8 cups of cheese in all, how many cups of sharp cheddar does she use?

• 8

• 10

• 4

• 6

Trey and George are competing in a basketball free throw competition. Trey's ratio of free throws made to free throws missed is 6 to 9. George's ratio of free throws made to free throws missed is 12 to 18. Who has the better ratio for making free throws?

• Trey

• George

• They are the same.

A store sells two types of cleaning solutions. Brand A has 5 mL of white vinegar for every 25 mL of water. Brand B has 30 mL of white vinegar for every 125 mL of water. Which mixture has a higher concentration of vinegar?

• Brand A

• Brand B

• They are the same.

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