Vocab
a ratio where two measurements are related to each other; have different units
rate
12
6 snack bars cost $18. If all the bars cost the same, what is the price per bar?
$3
An elephant charged 13.3 meters in 15 seconds. At this rate, how far would the elephant move if it could charge for 1 minute? (15 seconds = 1/4 minute)
53.2
Expresses a ratio as part-to-one or one unit of another quantity.
Unit Rate
Solve the proportion 4/7 = x/28. What is the value of x?
16
A car travels 256 miles in 5 hours. If the car travels the same number of miles each hour, what is the miles per hour rate?
51.2 mph
A spider monkey can swing from tree to tree a distance of 50 feet in 10 seconds. At this rate, how far can a spider monkey go in 1 minute? (10 seconds = 1/6 minute)
300 feet
a math tool used to organize and display equivalent ratios by multiplying or dividing two related quantities by the same number
Ratio Table
A bag of 55 apples costs $6.00.$6.00. What is the price per apple?
$1.20
On Monday the price for bottled water was 7 bottles for $17.57. On Saturday the price was 6 bottles for $15.42. Which day had the higher unit Price?
Saturday
Suzy can type 39 words in 36 seconds. At this rate, how many words can she type in 1 minute? (36 seconds = 3/5 minute)
65 words
equal in value, amount, meaning
Equivalent
On a map, a scale indicates that 3 inches represent 15 miles. If two towns are 7 inches apart on the map, what is the actual distance between them in miles?
35
At the baseball stadium the price for popcorn is $8.35 for 5 bags. If you wanted to buy 2 bags of popcorn, how much would it cost?
In 4/5 hours, Jose reads 5/8 chapters. What is the unit rate in chapters per hour? Write your answer in simplest form.
25/32 chapters/hour
A comparison of two quantities by division. It can be written as a fraction, with a colon, or using the word "to"
Ratio
174 cherry pieces in 6 bags of candy. How many pieces are in one bag?
29
A grocery store sells 3 pounds of green grapes for $3.72 and 4 pounds of purple grapes for $4.80. Which has the better unit price?
Purple grapes at $1.20 per pound.
A tree in Brian's backyard has been growing for 3 1/5 years. The tree is 3/4 meters tall.
What is the unit rate in meters per year? Write your answer as a fraction or a mixed number in simplest form.
15/64 meters/year