Understand Rate Concepts
Teams in Ms. Seda's class make robots. The Red Team's robot travels 6 feet every 3 seconds. The model shows the ratio 6:3.
A. How many feet does the Red Team's robot travel per second?
B. The Yellow's Team Robot is not working properly. It travels only 4 feet every 12 seconds. How far does the Yellow Team's Robot travel per second?
A. Rate of 2 feet per second
B. Rate of 1/3 foot per second
City A receives 21 inches of snow in 12 hours. City B receives 27 inches of snow in 15 hours. Which City had a heavier snowfall rate?
City B has the heavier snowfall rate
A. Write 50 percent as a percent
B. Write 50 percent as a fraction
C. Write 50 percent as a decimal
A. 50%
B. 50/100 OR 2/4
C. 0.50
A shirt costs $40 but is marked 20% off. How much money will you save?
Hint: Answer will be in dollars and cents
8 dollars.
Three friends buy food for an end-of-school party. Adrian spends $16 for 2 pounds of slice turkey. How much did the turkey cost per pound?
Chloe is driving on the freeway. She is 200 miles from Los Angeles. She drives at a constant speed of 55 mph. Can Chloe get to Los Angeles in less than 3.5 hours?
It will take Chloe longer than 3.5 hours to get to Los Angeles.
What is the formula for volume?
L x W x H
A group of students are raising money for a trip to Washington D.C. The total money they are trying to raise is $400.
A. If 100% represent their goal. What is their goal?
B. The students have reached 10% of their goal. How much money have the students raised so far?
C. After 1 week the students have raised 50% of their goal. How much money have the students raised?
D. Fill in the blank: 50% of $_____ is $______.
A. $400
B. $40
C. $200
D. 50% of $400 is $200.
Carolina and Aniyah are playing in an Oware tournament. Who has the better winning record?
Carolina: 19 out of 25 games
Aniyah: 17 out of 20 games
Aniyah has the better winning record so far.
At a theme park, passengers are waiting in line for three rides.
A. The Roller Coaster can load 60 passengers every 5 minutes. At what rate can passengers load per minute?B. The swinging ship can load more passengers than the Roller Coaster in the same amount of time. Is the loading rate for the Swinging Ship slower or faster than the rate for the Roller Coaster?
A. 12 passengers per minute
B. The loading rate for the Swinging Ship is faster.
Deon will pick up more dog food at the pet store in 2.5 weeks. Will the new bag of food last until then?
Yes, the bag will last for 2 1/2 weeks
What is six divided by three-fifths?
10
The drama club hopes to sell 600 tickets for a school play. So far, they have sold 20% of 600. How many tickets have been sold?
120 tickets
In a survey, 13 out of 20 teachers respond to yes to a proposal for a new after-school club. In the same survey, 37 out of 50 students respond yes. Which group is more in-favor of the new after-school club, teachers or students?
Students are more in-favor of the new club than teachers.
In Aja's city, all blocks are about the same length. It takes Aja 20 minutes to walk 5 blocks to the library.
A. What is the rate in blocks per minute?
B. What is the rate in minutes per block?
A. 1/4 block per minute
B. 4 minutes per block
A Giraffe runs 280 meters in 20 seconds. A Zebra runs 204 meters in 12 seconds. Which animal runs faster?
The zebra runs faster
What is 8 divided by 0.25?
148
Bruno and his foster parents plant trees in a new park. Their budget is $400. They spend 5% on tools. They spend 95% of the budget on trees. How much money did they spend on tools and how much on trees?
They spend $20 on tools and $380 on trees
A box holds 12 cups of cereal. This amount is equivalent to 16 servings.
A. How many servings are in 1 cup?
B. How many cups are in 1 serving?
A. 1 1/3 servings
B. 3/4 cups
At a county fair, a strip of 20 ride tickets cost $13. The manager thinks they should also sell a strip of 8 ride tickets. How can the manager use a unit rate to choose a price for the strip of 8 tickets so both strips have the same price per ticket?
A strip of 20 ride tickets cost $13. Each individual ticket costs $0.65 each. The manager can multiply 8 by $0.65 to get $5.20. He can sell a strip of 8 ride tickets for $5.20.
Bonus:
What is mean?
x2 points
The average of the data set.
Ms. Hunter's class is hanging 500 red lanterns around the school for Lunar New Year.
A. Before lunch, the class hangs 100 of the lanterns. What percent of lanterns were hung?
B. What percentage of lanterns are left?
A. 20%
B. 80%
At Shaw Middle School, 150 students take part in cleaning up the school. This is 30% of the students that attend the school. How many students attend Shaw Middle School?
500 students attend Shaw Middle School.