Ratios
1/2
Write the ratio 21/27 in 3 other ways
Answers will vary
A car can travel 600 miles on 20 gallons of gas. What is the unit rate of miles per gallon for this car?
30 miles per gallon
Apples sell 4 for $2.40. How much do 6 apples cost?
$3.60
Caleb skips for 8 hours at a speed of 75 miles per hour. What distance did he travel?
600 miles
Emma's math homework has 22 questions. She gets 18 questions correct. Write the ratio of questions she got correct to questions she got wrong in simplest form.
9/2
Write the ratio 63/96 in simplest form
21/32
Christina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?
6 miles
What is the better buy? Prove your answer by finding the unit rate of each
5 folders for $1.75
8 folders for $3.36
5 folders for $1.75
$0.35 per folder
$0.42 per folder
A bike travels a distance of 112 miles in 4 hours. What speed did it travel?
28 miles/1 hour
Write the ratio of X's to O's in simplest form
X X X X X X X X X
O O O O O O
3/2
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses?
250 people
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
$7.50
At a bookstore, for every 3 mystery novels sold, 7 romance novels were sold. If a total of 180 mystery and romance novels were sold, how many romance novels were sold?
126 romance novels
Annabel runs 936 inches in 6 minutes. At what speed did she run in inches per minute?
156 inches/1 minute
There are 40 rabbits in a cage. The ratio of white rabbits to grey rabbits is 3:7. How many white rabbits are in the cage?
12 white rabbits
Explain how to form an equivalent ratio
Multiply or divide the numerator and denominator of the ratio by the same number
Josh buys 5 toys for $69.95. What is the unit rate for each toy?
$13.99 per toy
Neal says 1,204 words in 4 minutes. How many words does he say in 5 minutes?
1,505 words
Addu rollerblades 14 miles per hour for 6 hours. What is the distance he travels?
84 miles
There are 75 mice in a cage. The ratio of pink mice to black mice is 2:3. How many black mice are in the cage?
45 black mice
A cake recipe calls for 18 cups of flour and 8 cups of sugar. How many cakes can you bake with 144 cups of flour?
8 cakes
What is the better buy? Prove your answer by finding the unit rate of each item rounded to the nearest cent
20 paper clips for $1.80
12 paper clips for $1.25
20 paper clips for $1.80 is the better buy
Option 1: $0.09/paper clip
Option 2: $0.10/paper clip
Caleb can solve 12 math problems in 5 minutes. How many math problems can he solve in 1 hour?
144 math problems
How long does it take to travel a distance of 1,088 miles at a speed of 68 miles per hour?
16 hours