Scaling to Solve Percent Problems

Karen has 20 dry erase markers. Seventeen of the markers are purple. What percentage of the markers

are purple?

• 57%

• 85%

• 68%

A game console that normally costs $300 is on sale for 25% off. How much money is the discount?

• $85

• $110

• $75

Tags

CCSS.6.RP.A.3C

Yesterday, there were 9 sixth- graders in lunch detention. This was 25% of all the students in lunch detention. What was the total number of students in lunch detention?

• missing part

• missing whole

• missing percent

Tags

CCSS.6.RP.A.3C

Yesterday, there were 9 sixth- graders in lunch detention. This was 25% of all the students in lunch detention. What was the total number of students in lunch detention? (hint - scale down to make the part equal to 1 before scaling up)

• 45 students

• 36 students

• 34 students

Tags

CCSS.6.RP.A.3C

If 20% of a number is 40, what is the number?

• 100

• 200

• 150

• 250

Tags

CCSS.6.RP.A.3C

If 45% of a number is 90, what is the number?

• 150

• 200

• 250

• 300

Tags

CCSS.6.RP.A.3C

If 30% of a number is 45, what is the number?

• 120

• 150

• 90

• 75

Tags

CCSS.6.RP.A.3C

Which of these is set up correctly for "30 is what percent of 600"?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2C

What is 30% of 150?

• 45

• 50

• 55

• 60

Tags

CCSS.6.RP.A.3C

A student scored 85% on a test with 120 questions. How many questions did the student answer correctly?

• 110

• 102

• 100

• 90

Tags

CCSS.6.RP.A.3C