Exploring Percents and Double Number Lines

The video tutorial covers the concept of using double number lines to solve percent problems. It begins with an introduction to percent and double number lines, followed by four examples. The first example calculates 25% of 60, the second finds 40% of 50, the third determines the total when 21 is 70%, and the fourth calculates 30% of $11,200. Each example is explained step-by-step, demonstrating how to set up and use double number lines for solving percent problems.

What does the term 'percent' mean?

• Out of 50

• Out of 1000

• Out of 100

• Out of 10

In a double number line, what does the top line usually represent?

• The percent

• The total amount

• The ratio

• The difference

How many sections should the number line be divided into to find 25% of 60?

• 5

• 2

• 3

• 4

What is 25% of 60?

• 25

• 20

• 15

• 10

How many sections should the number line be divided into to find 40% of 50?

• 7

• 6

• 5

• 4

What is 40% of 50?

• 30

• 20

• 10

• 40

If 21 is 70% of a number, what is the total number?

• 35

• 40

• 30

• 25

How many sections should the number line be divided into to find 70% of a number?

• 8

• 7

• 6

• 5

What is 30% of $11,200?

• $3,600

• $320

• $360

• $3,360

How many sections should the number line be divided into to find 30% of $11,200?

• 8

• 11

• 9

• 10