Percents: Part of a Whole

Percent

Part of a Whole

There are 3 parts to a percent problem:

• the Part

• the Whole

• the Percent

Percent Key Words

• "What" and "What Number" = unknown

• "Of" = total or Whole

• "Percent" or "%" = percent

• "Is" = piece or Part

Multiple Choice

"3 is what percent of 20?"

In the question above, 3 is the ____

• part

• whole

• percent

Multiple Choice

"3 is what percent of 20?"

In the question above, 20 is the ____

• part

• whole

• percent

Multiple Choice

"3 is what percent of 20?"

In the question above, what value is not given?

• part

• whole

• percent

These keywords will help you set up how to solve

• Often times you are only given 2 of the 3 numbers, and need to find the missing value:

• Find Part given whole and percent

• Find percent given part and whole

• Find whole given part and percent

Multiple Choice

What number is 19% of 26? The value not given is ______, so we are needing to

• percent;

  Find Percent

• whole;

  Find Whole

• part;

  Find Part

To find the missing value:

• use the table -> leave a variable in the missing value's location:

• Your part goes to the right of part (is).

• Your whole goes to the right of whole (of).

• Your percent goes in the same box as the % symbol

How to solve using Percent Proportion Table.

• Step 1: Fill in the table with values and variables from the problem.

• Step 2: Cross Multiply

• Step 3: Divided to get the variable by itself

• [Remember what you do to one side of an equation you MUST do to the other]

What is 15% of 60?