Converting Between Percentages, Decimals, and Fractions

The video tutorial explains how to convert 18% into both a decimal and a fraction in its simplest form. It begins by breaking down the meaning of 'percent' as 'per 100' and demonstrates how to express 18% as 18/100. The tutorial then shows how to convert this fraction into a decimal, resulting in 0.18. It also covers simplifying the fraction 18/100 to 9/50 by finding common factors. Finally, the video provides quick tips for converting percentages to decimals and fractions efficiently.

What does 'percent' mean in terms of a fraction?

• Per 10000

• Per 100

• Per 1000

• Per 10

What does the term 'cent' in percent relate to?

• 100

• 10

• 1000

• 1

How is 18% written as a decimal?

• 0.18

• 0.018

• 1.8

• 18.0

What is the first step to convert a percent to a decimal?

• Move the decimal two places right

• Move the decimal two places left

• Divide by 100

• Add a zero

What is the decimal representation of 18%?

• 0.018

• 1.8

• 18.0

• 0.18

What is the simplified form of the fraction 18/100?

• 36/200

• 18/100

• 4/25

• 9/50

Which operation simplifies the fraction 18/100?

• Subtract 2

• Add 2

• Multiply by 2

• Divide by 2

After simplifying, what is the denominator of the fraction representing 18%?

• 100

• 50

• 25

• 10

What common factor do 18 and 100 share?

• 9

• 3

• 5

• 2

Tags

CCSS.4.OA.B.4

How can you quickly convert a percent to a fraction?

• Multiply by 100

• Divide by 100

• Subtract 100

• Add 100