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Ratios
Unit Rates
Proportions
Percents
Measurement Conversions
100
There are 18 red marbles and 8 yellow marbles in a jar. What is the ratio of yellow marbles to red marbles?
What is 4/9?
100
Find the unit rate: 18 yards in 10 seconds. (round to the hundredths place, if necessary)
What is 1.8 yards per second?
100
Proportional or not? 6/9 = 8/12
What is yes?
100
What is 7.5% of 18? Round to the hundredths place, if necessary.
What is 1.35?
100
1 yard equals 3 feet. How many yards are there in 21 feet? (Round to the nearest hundredth, if necessary).
What is 7 yards?
200
There are 7 gorillas and 5 elephants in the zoo. What is the ratio of gorillas to elephants?
What is 7:5?
200
Find the unit rate: $35 for 3 shirts *hint: think about where to round for money*
What is $11.67 per shirt?
200
Proportional or not? 4/9 = 5/10
What is no?
200
What percent of 70 is 14? (round to the hundredths place, if necessary)
What is 20%?
200
The John Hancock Center stands 459 meters tall to the top of its antenna masts. How many centimeters tall is the Hancock Center? (1 meter = 100 centimeters) (round to the nearest hundredth, if necessary)
What is 45,900 cm?
300
There are four sixth grade classes, five fifth grade classes, and three fourth grade classes. What is the ratio of fourth grade classes to sixth grade classes?
What is 3/4?
300
Laney biked 33 miles in 2 hours. What was her average speed in miles per hour? (round to the hundredths place, if necessary)
What is 16.5 miles per hour?
300
Solve. 2.6/13 = 8/n
What is 40?
300
6.6 is 11% of what number? (round to the hundredths place, if necessary)
What is 60?
300
4 quarts equals 1 gallon. How many quarts are in 9 gallons? (Round to the nearest hundredth, if necessary)
What is 36 quarts?
400
There are 14 boys and 7 girls in Miss Redini's sixth grade class. What is the ratio of girls to all students in Miss Redini's class?
What is 1 to 3?
400
A 24 pack of water bottles costs $5.99. What is the cost of one bottle of water? **hint: think about where to round money**
What is 25 cents per bottle?
400
Ashley can read 9 pages of her book in 8 minutes. How long will it take her to read 99 pages? (Round to the hundredths place, if necessary)
What is 88 minutes? (1 hour and 28 minutes)
400
A baseball pitcher won 80% of the games he pitched. If he pitched 35 games, how many did he win? (round to the hundredths place, if necessary)
What is 28 games?
400
1 kilometer equals 0.621 miles. How many miles are there in 8 kilometers? (Round to the nearest hundredth, if necessary)
What is 4.97 miles?
500
There are 17 jelly beans, 5 lollipops, 12 jolly ranchers, and 8 starbursts in a jar. What is the ratio of jolly ranchers to all pieces of candy?
What is 2:7?
500
Jewel is selling 12 cans of soda for $3.99. Meijer is selling 24 cans of soda for $6.49. Identify the unit price for each store. Then decide which is a better deal.
What are unit prices of $0.33 per can at Jewel, $0.27 per can at Meijer? Therefore, what is Meijer?
500
If there are 1,100 calories in 9 ounces of hot fudge, how many calories are in 4 ounces of hot fudge? (Round to the hundredths place, if necessary)
What is 488.89 calories?
500
Brendan scored 90% on a test with 60 total questions on it. How many questions did he get right? (round to the hundredths place, if necessary)
What is 54 questions correct?
500
Kaylee’s lawn sprinkler sprays about 207 quarts of water each hour. How many liters of water does it spray? (1 liter = 1.057 quarts) (round to the nearest hundredth, if necessary).
What is 195.84 liters?