Ratios

Practice

Watch me:

The ratio of boys to girls in Mrs. Nelson’s classroom is 2 to 3. If there are 8 boys, how

many girls are there?

A recent survey found that the ratio of people who prefer Pepsi to Coke is 3 to 4. If the survey showed that 36 people preferred Pepsi, how many people preferred Coke?

The ratio of oranges to apples in Maryanne’s fruit basket was 5 to 3. If the ratio remained the same and Maryanne had 45 oranges,

how many apples did she have.

Watch Me:

Carlita found that the ratio of Twizzlers to Snickers in her Halloween bag was three to seven. If Carlita counted 56 Snickers, how

many Twizzlers would there be?

The ratio of water to bleach for a cleaning solution is 4 to 1. If you pour in 8 cups of

bleach, how much water should you pour in?

A bag of M&Ms has a brown to red ratio of 5 to 3. If the bag has 15 red M&Ms, how many

brown M&Ms are there?

Question 1

The ratio of Pikachu dolls to Sqirtle dolls at the comic book shop was 5 to

2. If there were 35 Pikachu dolls, how many total dolls were at the

store?

Question 2

The ratio of shirts to pants in the display window at Kohl’s was three to one. If there were 4 pairs of pants on

display how many total pieces of clothing were there?

Question 3

The ratio of sunny days to rainy days in the year so far has been 7 to 2. If there have been 84 sunny days, how

many total days have there been?

Question 4

The ratio of Vampire Diaries episodes to episodes of The Originals is 5 to 4. If 20 episodes of The Originals have aired, how many total episodes of

both shows have aired?

Question 5

The ratio of #1 hits to unreleased songs on Taylor Swifts last album

was 1 to 4. If there were 16 unreleased songs on her last album, how many total songs where on her

album?

Checkpoint

1. You will need an index card, pencil, and calculator.

2. Put your name, date and class period on the top line of the index card.

3. Divide your index card into 3 equal columns (use 2 vertical lines)

4. Label each section numbers 1 – 35. Do not write on the back of the card6. Wait patiently for everyone to set their

card up

Show me what you learnedAnswer these 3 questions on your card. (SHOW ALL

WORK)

1. The ratio of iPhones to Samsung Galaxy phones in the classroom was 5 to 3. If there were 10 iPhones in the classroom, how many total phones were in the classroom?

2. Sharron determined the ratio of people who like The Voice to those that don’t was 6 to 1. If 48 people like The Voice, how many people were asked?

3. Mr. Seymore was looking through his movie collection and realized the ratio of anime DVDs to Pixar DVDs was 3 to 2. If there were 45 anime DVDs, how many total DVDs were in his collection?

Question 6

4 out of 9 people say they like the show Sailor Moon. If 801 people

were asked, how many people could be predicted to like Sailor Moon?

Question 7

A survey showed that 5 out of 7 people prefer to wear the color black. If

1290 people prefer to wear black, how many people were asked?

Question 8

2 out 3 people like Superman over Batman. If 1236 people were asked if they liked Superman or Batman,

how many could be predicted to like Batman over Superman?

Question 9

The results of a recent survey showed that 8 out of 11 students prefer red slushies. If 784 students prefer red

slushies, how many students are there?

Question 10

The results of a recent survey showed that 2 out of 5 people think Thor

would win in a fight against Captain America. If 780 people were asked this question, how many could be

predicted to vote for Thor?

Checkpoint 2

1. You will need you index card, pencil, and calculator.

2. On the blank side of your card, divide your index card into 3 equal columns (use 2 vertical lines)

3. Label each section numbers 4 – 64. Wait patiently for everyone to set

their card up

Show me what you learned

Answer these 3 questions on your card. (SHOW ALL WORK)

4. A recent survey revealed the 2 out of 5 people prefer Taco Bell breakfast. If 600 people were asked, how many could be predicted to prefer Taco Bell breakfast?

5. 7 out of 9 people have an iPhone as their cell phone. If 105 people have iPhones. How many people have phones?

6. A recent survey showed that 3 out of 7 people like Ariana Grande. If 315 people were asked, how many could be predicted to like Ariana Grande?