Writing Ratios
In one of Ms. Prchal's classes, there are 12 girls and 20 boys. Write the ratio of girls to boys 3 ways
What is 12:20, 12 to 20, and 12/20 ?
Name three ratios that are equivalent to 1:3.
2:6, 3:9, 4:12, 5:15, 6:18, etc.
A scooter traveled 2 miles in 10 minutes. At this rate, it would travel ________ miles in 40 minutes.
What is 8 miles?
Store A sold 12 jeans for $108.
Store B sold 8 jeans for $96.
Which store sells one pair of jeans for cheaper?
What is store A?
In a bag, there are 6 red marbles and 7 blue marbles.
If there were 36 red marbles, how many blue marbles would there be?
What is 42?
In one of Ms. Prchal's classes, there are 13 students who play golf and 7 who do not. Write the ratio of NON-golfers to golfers 3 ways.
What is 7:13, 7 to 13, and 7/13 ?
Identify the equivalent ratio of 3 kittens: 8 puppies
A) 9 puppies: 24 kittens
B) 6 kittens: 18 puppies
C) 15 puppies: 36 kittens
D) 12 kittens: 32 puppies
What is D) 12 kittens: 32 puppies?
Nellie ate 15 hotdogs in 3 minutes. At this rate, it would take her __________ minutes to eat 75 hotdogs.
What is 15 minutes?
Sydney took 16 minutes to run 2 miles.
Waylon took 25 minutes to run 5 miles.
Who is running faster?
Who is Waylon?
In 4 hours, Nate can mow 20 lawns. How many lawns can he mow per hour?
What is 5 lawns per hour?
Out of all of Ms. Prchal's students, there are 80 students. 20 students do not have pets. What is the ratio of students who do not have pets to students who do have pets? Write the ratio 3 ways
What is 20:60, 20 to 60, and 20/60 ?
Mrs. Skirbe has 12 red marbles for every 30 blue marbles. Ms. Murray has 2 red marbles for every 6 red marbles. Are these ratios equivalent? Show/explain how you know.
No
Identify the unit rate when you earn $60 for mowing 15 lawns.
$4 for 1 lawn
While playing softball, Millie's heart beat 80 times in 40 seconds.
While running, her heart beat 90 times in 30 seconds.
Which activity made her heart beat faster?
What is running?
Mr. Beast is painting his house. To paint 12 rooms, he used 4 cans of paint. If he had 9 more cans of paint, how many more rooms could he paint?
27 more rooms
Out of all of Ms. Prchal's students, there are 75 students who like pizza and 25 students who do not like pizza. What is the ratio of TOTAL number of students to students who like pizza? Write the ratio 3 ways.
What is 100:75, 100 to 75, and 100/75 ?
Identify an equivalent ratio to 9:15
A) 2:5
B) 30:45
C) 27:45
D) 12:25
What is C) 27:45 ?
Mrs. Conroy stapled 14 packets in 2 minutes. At this rate, it will take her ______ minutes to staple 35 packets.
What is 5 minutes?
Car A traveled 240 miles in 4 hours.
Car B traveled 350 miles in 5 hours.
Which car traveled faster in one hour?
What is Car B?
A ping pong team had a $300 budget to buy new ping pong balls. They paid $180 for 30 ping pong balls. Do they have enough money to buy 20 more ping pong balls?
Yes
Mr. Craine has a cookie tray at his holiday party. On it, there are 12 chocolate chip cookies, 18 oatmeal raisin cookies, 6 peanut butter cookies, and 24 sugar cookies. Name the ratio of sugar cookies to total number of cookies in 3 ways.
What is 24:60, 24 to 60, 24/60?
Mrs. Shanahan has created the perfect cake recipe. It has a ratio of 4 cups of flour to 9 cups of sugar. Identify which of the following recipes are equivalent to these measurements.
A) 8 cups flour, 19 cups sugar,
B) 12 cups flour, 36 cups sugar,
C) 20 cups flour, 40 teaspoons sugar,
D) 16 cups flour, 36 cups sugar,
What is D) 16 cups flour, 36 cups sugar, ?
Mr. Orourke texts 24 words in 4 minutes. At this rate, he would text _______ words in 14 minutes.
What is 84 words?
Addie and Anthony are racing each other at the go kart track.
Addie drives at a rate of 9 laps in 3 minutes and Anthony drives at a rate of 20 laps in 4 minutes.
Who would finish first?
Who is Anthony?
Henry has 10 chickens. He paid $70 for 10 chickens. How many chickens could he buy with a budget of $91?
13 chickens