Use proportions to make Predictions

There are 4 trombones out of 25 instruments in the POMS band. What percent of the instruments are trombones?

• 4%

• 20%

• 16%

• 25%

You want to survey a town to figure out who has a pool? The town has 100,000 people and you survey 12,000 random people. What is the 100,000?

• Population 
• Survey
• Sample
• The amount of people in the town

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

There is one pizza and two people are going to split it in half. How would you convert one half into a fraction, decimal and percent?

• 1/2  ,  0.5  ,  50%
• 1/4  ,  0.25  ,  25%
• 3/4  , 0.75  ,  75%
• \1/20  ,  0.05 ,  5%

Andre took a quiz and got 15 questions out of 20 questions right what was his grade percentage?

• 10%

• 50%

• 100%

• 75%

What would the 12,000 from question 1 be?

• Population
• Survey
• Sample
• the amount of people you survey

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Aaron took a multiple choice test.  There were 25 questions, of which he answered 4 incorrectly.  At this rate, how many questions should Aaron expect to answer incorrectly if he takes a test with a total of 150 questions?

• 123
• 24
• 373
• 47

Tags

CCSS.6.RP.A.3B

There are 480 students in Marla’s school.  In her classroom, there are 3 left-handed students and 17 right-handed students.  Predict the number of left-handed students in the whole school.

• 72
• 85
• 124
• 208

The results of a random survey showed that 42 out of 84 people plan to vote for Coach Vasquez for teacher of the month. Which is the best prediction of the total number of votes he will receive if 2,000 people vote?

• 825
• 750
• 1200
• 1000

Tags

CCSS.6.RP.A.3B

if 7 out of 24 students surveyed said their least favorite chore was cleaning their room, how many would say that out of 528 students

• 528

• 154

• 3

• 90

Tags

CCSS.6.RP.A.3B

A survey showed that 28% of adults play golf in their free time. Out of 1,550 adults, predict how many would say they play golf

Tags

CCSS.6.RP.A.3C