Percents: Lesson 2

Percents

Lesson 2: Part of a Whole - Day 2

Solving Part of a Whole Percent Problems

• Method 1: Using Cross Multiplication with Percent Proportion

• Method 2: The Percent Equation (Use Multiplication)

Method 2: Percent Equation

• Set up your percent proportion

• Remember to use a variable for your unknown value

• Convert the % to a decimal

• Multiply the converted % by the whole.

• Percent Equation: Part = Percent x Whole

Multiple Select

What are two methods to find Part of a Whole in a Percent Problem?

• Percent Proportion Table

• Percent Equation

• Quadratic Formula

• Multiplication Table

Ex: What is 50% of 6?

• Identify the pieces:

• Part = unknown

• Percent = 50% => 0.50

• Whole = 6

• Set up Equation: part = % x whole

• part = 0.5 x 6

• Part = 3

Multiple Choice

Quick Check:

What is 50% of 6?

• 12

• 6

• 18

• 3

Using the Percent Equation

Solve for the PART:

What is 40% of 30?

What is 35% of 200?

What is 30% of 54? [you will have a decimal]

Fill in the Blank

What is 40% of 30?

Fill in the Blank

What is 35% of 200?

Fill in the Blank

What is 30% of 54?

Hint: Your answer will have a decimal.