Converting Between Fractions, Decimals, and Percents

What is the main goal of the unit on percentages?

• To memorize percentage formulas.

• To learn how to add and subtract percentages.

• To understand the history of percentages.

• To convert between fractions, decimals, and percentages.

How do you convert 0.23 to a percentage?

• Move the decimal two spots to the right.

• Divide by 100.

• Move the decimal one spot to the left.

• Multiply by 10.

What is 0.7 as a percentage?

• 7%

• 70%

• 0.07%

• 700%

Which of the following is equivalent to 1.25 as a percentage?

• 0.125%

• 12.5%

• 125%

• 1.25%

How do you convert the fraction 1/2 into a decimal?

• Multiply by 2.

• Divide 1 by 2.

• Add 0.5.

• Subtract 0.5.

What is the decimal value of 19/25?

• 0.76

• 0.77

• 0.75

• 0.74

How do you convert the fraction 1/4 into a percentage?

• Divide by 4.

• Multiply by 4.

• Convert to decimal and then multiply by 100.

• Add 25.

What percentage is equivalent to the fraction 4/5?

• 60%

• 20%

• 80%

• 40%

If Jaden got 21 out of 24 questions right, what percentage did he get correct?

• 87.5%

• 90%

• 85%

• 80%

If a store received 75 oranges and 15 were rotten, what percentage of the oranges were rotten?

• 15%

• 10%

• 25%

• 20%