Part of a Percent

The video tutorial explains the concept of percentages and ratios, introducing the double number line as a tool for solving percentage problems. It provides examples involving cookies, toy cars, and pizza to demonstrate how to calculate parts of a whole using percentages. The tutorial encourages practice with a guided problem-solving approach.

What does the term 'percent' mean?

• Per 10

• Per 100

• Per 1000

• Per 50

Which of the following is NOT a way to express a ratio?

• Using a colon

• Using the word 'to'

• Using a percentage

• Using a fraction

What is a double number line used for?

• To compare items that change according to a rule

• To calculate the area of a rectangle

• To solve algebraic equations

• To measure temperature

In the cookie example, what percentage of cookies are chocolate chip?

• 100%

• 75%

• 50%

• 25%

How many chocolate chip cookies are there if Sarah baked 60 cookies and 50% are chocolate chip?

• 15

• 30

• 40

• 20

In the toy car example, what percentage of cars are blue?

• 40%

• 50%

• 20%

• 30%

How many cuts of pizza have pepperoni if 60% of 30 cuts have pepperoni?

• 18

• 15

• 12

• 21