mulitply/divide decimals
multiply/divide fractions
Data analysis
Ratios and rates
fractions,decimals,percent
100
The world spped record of 8.035 knots was set at the 9th Internationl Submarine Races in June 2007. One knot is equal to about 0.5144 meters per second (m/s). Give a possible method for estimating the speed in meters per second.
Round 8.035 to 8 and 0.5144 to 0.5, and then multiply 8 X 0.5
100
Ron cut off 13/16 of a board. He took 4/7 of the cut piece to make a desktop. Ron wants to know about how much of the original board was made into the desktop. Describe the steps to estimate the amount used.
What is round 13/16 to 1 and 4/7 to 1/2, and then multiply 1/2 X 1
100
Amy has to read 7 short stories for a class. The list below shows the number of pages in each story: 10, 14, 12, 13, 12, 11, 5 Which two measures of central tendency are the same?
What is median and mode
100
Craig can drive 140 miles on 4 gallons of gas. How would you decide how many miles he can drive on 12 gallons of gas?
What is 140/4 X 12
100
In 2008 Akinori Iwamura of the Tampa Bay Rays had a batting average of 0.274. How would you write 0.274 as a fraction?
What is 274/1000
200
The weight of a golf ball must not exceed 1.62 ounces. Write an expression to find hte maximum weight of 100 golf balls.
What is 1.62 X 10 to the second power
200
Video games are on sale for 2/3 of the original price. Sam buys one with an original price of $54. Write an expression to represent the sale price.
What is 54 X 2/3
200
In a game, Missy rolls: 3,4,3,4,5,6,2 and 3. What is the mean?
What is 3.5
200
The distance from Ponce de Leon to Bushnell is 325 miles. The distance from Ponce de Leon to Jacksonville is 260 miles. Tina starts in Ponce de Leon. How many more hours would it take her to drive to Bushnell than Jacksonville, if she drives at a rate of 65 miles per hour?
What is 1
200
Florida sales tax in Orange County is 6.5%. Gary knows this means that for every dollar, he will have to pay an extra six and a half cents. How is 6.5% written as a decimal?
What is 0.065
300
Rafael needs to buy a few new shirts. A sale lists a variety of shirts for $17.49 each. How much will four shirts cost?
What is $69.96
300
Joel bought 24 markers, and 3/8 of them have gel ink. How many gel ink markers are there?
What is 9
300
The speeds in miles per hour of vehicles traveling on a local street are listed: 35, 37, 42, 37, 30, 37, 32 What measure of central tendency should you use to report the most frequent speed?
What is mode
300
The ratio of Florida representatives to toal representatives in the U.S Congress is 1 to 87. If the U.S. Congress has 435 representataives, how many represent Florida?
What is 5
300
Tim is expecting a 0.24 increase in this month's heating bill. Last month he paid $786. how much will Tim's heating bill be this month, in dollars?
What is $974.64
400
Mike Alstott was a running back for the Tampa Bay Buccaneers. Knowns for his running and his receiving. Alstott was selected to play in six Pro Bowl games. in his last All-Pro year, Alstott caught 35 passes for a grand total of 241.5 yards. Write an expression to find how many yards he gained per pass.
What is 241.5/35
400
Ming has violin lessons 3 times per week for 8 weeks. Each lesson lasts 1 1/4 hours. How many hours does Ming spend at violin lessons?
What is 30
400
the ages of students on a dance team are 12, 10, 8, 7, 9, 12, and 12. If another 9 year old joins the team which two measures of central tendency would change?
What is mean and median
400
Last month, Tim's ratio of school days to days off was 3:2. If there were 30 days in the entire month, whcih of the following could be the number of school days Tim had last month?
What is 18
400
Arrange the following in order from least to greatest. .85, 43/50, 89%, 18/20, 0.925, 81%
What is 81%, .85, 43/50, 89%, 18/20, 0.925
500
Four avocados cost $4.69. Kara estimates one avocado will cost $1.25. Describe the method she used to estimate.
What is round up to the nearest dollar and divide by 4
500
Tammie buys 6 pounds of chicken. Her recipe calls for 3/8 pound of chicken per serving. There are four people in her family. How many meals can she prepare with that amount of chicken?
What is 4
500
Jeff recorded the number of pigeons he saw each day last week. His results are listed below: 12, 14, 18, 16, 15, 13, 15 What is the mode of this data?
What is 15
500
Mai Lin can type 60 words per minute. At this rate, how many hours would it take her to type 5,400 words?
What is 1.5
500
Republic Plaza in Denver is the talles building in Colorado. Chase Tower in Indianapolis, Indiana, is 7/8 as tall. How is 7/8 expressed as a decimal?
What is 0.875