Determine Part, Percent and Whole

What number is 20% of 45?

• 9

• 90

• 4.4

• 7

In the United States, 13 out of every 20 cans are recycled. What percent of cans are recycled?

• 55%

• 63%

• 65%

• 85%

King Hangry is eating a 50 gram chocolate bar which contains 30% cocoa. How many grams of cocoa are in the chocolate bar?

• 150 grams

• 15 grams

• 166 grams

• 18 grams

5 student in class want to have extra homework. If 20% of the student want extra homework, how many total students are in the class?

• 25 students

• 30 students

• 20 students

• 15 students

Your friend paid $17 for a shirt. This amount was 85% of the total amount your friend spent while shopping. How much money did your friend spend?

• $25

• $20

• $85

• $65

Write 3/16 as a percent.

• 15.5%

• 18.75%

• 19.5%

• 17.25%

Determine if you are finding the part, percent, or whole.  
18 is what percent of 36?

• Part

• Percent

• Whole

Determine if you are finding the part, percent, or whole.  
12 is 50% of what number?

• Part

• Percent

• Whole

There are 60 girls and 90 boys in the sixth grade at a middle school. Of these students, 3 girls and 9 boys write left-handed. What percentage of the sixth graders at this middle school write left-handed?

• 15%

• 5%

• 10%

• 8%

The percent equation is ________

• whole = part x percent

• part = percent x whole

• part = percent / whole