Converting Between Decimals and Percents

In this video, Mr. J explains how to convert between decimals and percents. The tutorial begins with converting decimals to percents by multiplying by 100, which is simplified by moving the decimal point two places to the right. Examples include converting 0.45 to 45% and 0.875 to 87.5%. The video then covers converting percents to decimals by dividing by 100, achieved by moving the decimal point two places to the left. Examples include converting 20% to 0.2 and 72.3% to 0.723. The video provides clear, step-by-step instructions for each conversion process.

What is the first step in converting a decimal to a percent?

• Subtract 5 from the decimal

• Divide the decimal by 100

• Multiply the decimal by 100

• Add 10 to the decimal

How do you convert 0.45 to a percent?

• Move the decimal one place to the left

• Move the decimal two places to the right

• Subtract 100 from the number

• Add 100 to the number

What is 0.3 as a percent?

• 300%

• 30%

• 0.3%

• 3%

What is the result of converting 0.06 to a percent?

• 600%

• 0.6%

• 6%

• 60%

What is the first step in converting a percent to a decimal?

• Multiply the percent by 100

• Add 10 to the percent

• Subtract 5 from the percent

• Divide the percent by 100

How do you convert 20% to a decimal?

• Add 100 to the number

• Move the decimal one place to the right

• Move the decimal two places to the left

• Subtract 100 from the number

What is 99% as a decimal?

• 0.099

• 0.99

• 9.9

• 99.0

Convert 5% to a decimal.

• 5.0

• 0.005

• 0.05

• 0.5

What is 72.3% as a decimal?

• 0.723

• 72.3

• 0.0723

• 7.23

What is the key takeaway from converting between decimals and percents?

• Always add 10 to the number

• Use multiplication and division by 100

• Subtract 5 from the number

• Move the decimal three places