Exploring Percentages and Their Applications

The video tutorial teaches students how to find the percent of a number using a specific method. The method involves converting the percent to a decimal by moving the decimal point two places to the left and then multiplying by the given number. The tutorial provides examples and encourages the use of calculators for calculations. It emphasizes understanding the mathematical reasoning behind the method and includes practice problems to reinforce learning. The lesson concludes with a recap and a check on students' confidence in applying the method.

What is the first step in finding the percentage of a number according to the method discussed?

• Divide the number by 100

• Convert the number to a fraction

• Multiply the number by 100

• Convert the percent to a decimal

What does moving the decimal two places to the left accomplish?

• Converts a percent to a decimal

• Converts a decimal to a percent

• Multiplies the percent by 100

• Converts a percent to a fraction

If you have 25% and you need to find 25% of 180, what decimal do you use in the calculation?

• 2.5

• 25

• 0.25

• 0.025

What is the result of 40% of 70?

• 28

• 40

• 70

• 30

How do you convert 55% to a decimal?

• 5.5

• 0.55

• 0.055

• 55

What should you always do when using a calculator to solve percentage problems?

• Calculate mentally first

• Use the memory function

• Show your work

• Guess the answer first

What is 75% of 280?

• 205

• 280

• 75

• 210

What is the decimal equivalent of 8%?

• 8

• 0.008

• 0.8

• 0.08

What is 8% of 50?

• 0.4

• 4

• 8

• 5

How confident should you feel about finding the percent of a number after this lesson?

• Very confident

• Somewhat confident

• Not confident

• Unsure