Vocabulary
A comparison of two quantities by division
Ratio
Find two ratios that are equivalent to 6/14
possible answers: 3/7, 12/28
Find the rate per serving: 4000 Calories for 8 servings of pie
500 calories per serving
Find the unit price: $110 for 22 magazines
$5 per magazine
How many grams in 1 kilogram?
1000
An equation that states that two ratios are equivalent
proportion or equivalent ratio
Are these ratios proportional: 8/16 and 5/32
No
Estimate the unit rate: $1.99 for 1/2 pound
about $4 per lb.
Find unit price: 12 slices of pizza costs $9.00
$0.75/ slice
3 pounds in ounces
48 ounces
A ratio that compares two quantities measured in different units
Rate
Are these ratios proportional: 45/75 and 3/5
Yes
Find Unit Rate: $7.05 for 3 tacos
$2.35 per taco
A 16 oz. package of brown rice costs $0.79 and a 40 oz. package of brown rice costs $3.49. Which is the better buy?
16 oz package
15,840 feet in miles
3 miles
Rate in which the second quantity in the comparison is one unit
Unit Rate
In 69 games, Daniel Armstrong of the Orlando Magic had 136 steals and 144 turnovers. What is his steals to turnovers ratio in simplest form?
17/18
A snail crawls about 20 feet in one hour. How many minutes will it take to crawl 6 inches
1.5 minutes or 1 minute 30 seconds
Find the unit price: 2/3 pound of walnuts for $2.50
$3.75/lb,
2.5 gallons in fluid ounces
320 fluid ounces
A fraction whose numerator and denominator represent the same quantity but use different units
Conversion Factor
A special cereal mixture contains rice, wheat and corn in the ratio of 2:3:5. If a bag of the mixture contains 3 pounds of rice, how much corn does it contain?
7.5 lbs.
A container with 324 liters of water, leaks 3 liters every 5 hours. How many days does it take for the container to become empty?
22.5 days
Better buy?: 16 oz bottle of soda for $1.25 or 20oz bottle of soda for $1.50
20 oz. for $1.50
3 1/4 tons in pounds
6,500 lbs