Exploring Fractions, Decimals, and Percents

The video tutorial covers the concept of proportions, starting with an introduction that references the Wizard of Oz. It then compares basketball free throw success rates using decimals and percents, demonstrating how to convert fractions into these formats. The tutorial explains the difference between part-to-part and part-to-whole ratios and concludes with practical problems to apply these concepts.

What are the three main topics covered in this section?

• Ratios, Decimals, and Percents

• Addition, Subtraction, and Multiplication

• Inequalities, Equations, and Graphs

• Fractions, Multiplication, and Division

Who made more free throws as a percentage?

• Mr. Kelly

• Both made the same

• Mr. Sullivan

• Neither made any

How do you convert a fraction to a decimal?

• Add the numerator and the denominator

• Divide the numerator by the denominator

• Multiply the numerator by the denominator

• Subtract the denominator from the numerator

What is 0.42 as a percent?

• 4.2%

• 420%

• 42%

• 0.42%

How do you convert a percent to a decimal?

• Multiply by 100

• Divide by 10

• Move the decimal point one place to the right

• Move the decimal point two places to the left

What is the ratio of pink to white flowers if there are 4 pink and 3 white flowers?

• 3:7

• 4:3

• 3:4

• 4:7

Which ratio represents the part-to-whole relationship for 4 pink flowers out of 7 total flowers?

• 3:4

• 4:3

• 7:4

• 4:7

What is the simplest form of the ratio 6:4?

• 3:2

• 2:3

• 4:6

• 6:4

If you have 36 cookies, how many muffins do you need to maintain a 6:4 ratio?

• 18

• 24

• 30

• 36

What percent of Mr. Bruss's lunch is cookies if he has 6 cookies out of 10 items?

• 40%

• 6%

• 60%

• 10%