Ratios
The number of boys to the number of girls in the sixth grade is 5:7. There are 125 boys in the sixth grade. What is the total number of students in the sixth grade?
300 students
A recipe for lemonade calls for 2 tablespoons of sugar for every 5 lemons. If Fiona uses 9 lemons, how many tablespoons of sugar does she need?
3 3/5 tablespoons
Henry bought an 18oz box of cereal for $3.78. Find the unit rate.
$0.21 per ounce
What conversion factor would you use to convert 8 feet to inches?
12 inches
1 foot
The ratio of red jellybeans to green jellybeans to blue jellybeans in a bowl is 2:4:5. There are 24 more green jellybeans than red jellybeans. How many more blue jellybeans are there than red jellybeans?
36 more blue jellybeans
A farmer sold 308 pieces of fruit at the farmer’s market. The number of apples to the number of oranges sold was 2 to 9. How many more oranges were sold than apples?
196 oranges
Sam gets milk 4 out of every 9 times he goes to the store. If Sam got milk at the store 32 times, how many times did Sam go to the store and not get milk?
40 times
Gigi bought a pizza with 16 slices for $15.04. How much does one slice cost?
$0.94 per slice
What conversion factor would you use to convert 500 minutes to hours?
1 hour
60 minutes
A recipe calls for 1 1/4 cups of flour, 2 1/5 cups of sugar, and 1 1/2 cup of salt. What is the ratio of flour to sugar to salt?
25:44:30
For every $2 that Graham raised for the school fundraiser, Luke raised $13. If Luke raised $110 more than Graham, how much money did Luke raise?
$130
Molly bought two heads of cabbage for $1.80. How many heads of cabbage can Willie buy if he has $28.80?
32 heads of cabbage
A printer can print 1,200 pages in 40 minutes. At this rate, how many minutes will it take the printer to print 2,700 pages?
90 minutes
How many quarts are in 7 gallons, if there are 4 quarts in one gallon?
28 quarts
Luke has 20 red balloons and 30 orange balloons. He pops 10 of the balloons and notices that the ratio of red-to-orange balloons does not change. How many red balloons did he pop?
4 red balloons
For every 8 magazines that were sold during the book fair, 21 books were sold. If 143 fewer magazines were sold than books, how many books and magazines were sold in all?
319 total
(x/7) = 4/9
x = 3 1/9
A cheetah runs 93 feet in 1 1/2 seconds. What is the unit rate?
62 feet per second
There are 12 inches in a foot, how many feet are 80 inches?
6 2/3 feet
Shane can run 15 kilometers in 2 hours. At this rate, how many minutes does it take to run one kilometer?
8 minutes
The ratio of x to y to z is 5:7:4. If the sum of x+y+z is 32, what is the product of xyz?
1,120
(x + 4)/13 = 2x/7
x = 1 9/19
Tyler earned $468 after working 18 hours. How many hours would he need to work to earn $845?
32 1/2 hours
There are 5,280 feet in a mile. How many miles are 18,480 feet?
3 1/2 miles
A baby elephant gained 240 pounds of weight in its first year of life. How many ounces per month of this?
(Hint: there are 16 ounces in a pound)
320 ounces per month