Finding the Whole from a Part and a Percent

On Tuesday, 620 students attended Greenville Middle School. If 341 students brought lunch to school that day, what PERCENT of students brought there lunch?

• 58%

• 55%

• 2.5%

• 5.5%

When finding percents, what does "IS" mean?

• multiply

• divide

• equal

• less than

What are the 2 methods for solving a percent problem?

• Write/solve equation

  divide by 1,000

• Draw double number line (model)

  divide by 1,000

• Write/Solve equation

  use a ratio table

• Write/Solve equation

  Draw double number line (model)

Use the percent proportion or percent equation to answer the following:

A person ate 2400 calories in a day. Of these, 36% came from fat. How many calories came from fat?

• 984

• 830

• 1142

• 864

Determine if you are finding the part, percent, or whole:

12 is 50% of what number?

• Part

• Percent

• Whole

Which proportion matches the following:

34% of what number is 51?

Which proportion matches the following:

What is 90% of 250?

Which proportion matches the following:

2 is 10% of what number?

Which proportion represents the following word problem:
The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are sold?

Write an equation for the following:
 Fifty is 15% of what number?