Percents Review

Percents Review

Percent

• Percent means out of 100

• Compares part to whole

• Percents can be larger than 100 or smaller than 1, but they always compare a number to 100

Converting Percents

• Change a percent to a fraction by putting the fraction over 100

• Change a percent to a decimal by moving the decimal point two points to the left

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Multiple Choice

Make the percent to decimal.

7%

• .007

• 0.07

• 7

• 70

Multiple Choice

Which fraction is equivalent to the following percentage?

39%

• 39/10

• 39/100

• 39/1000

• None of the above

Multiple Choice

Make the percent to decimal.

142%

• 1.42

• 14.2

• 142.

• 0.142

Percents, Decimals and Fractions

• Change a fraction to a percent by changing the denominator to 100 or dividing numerator by denominator

• Change a decimal to a percent by moving the decimal point two points to the right.

Multiple Choice

Write 3/5 as a percent.

• 3%

• 30%

• 5%

• 60%

Multiple Choice

Convert 3/8 to a Percent

• 37.5%

• 3.75%

• .375%

Multiple Choice

Write 0.604 as a percent.

• 60.4%

• 604%

• 6.04%

• 0.064%

Percent of a Number

• Use a double number line

• Use an equation

• "is" means equal; "of" means multiply

• Change the percent to a decimal or a fraction if using the equation method

Multiple Choice

28 is 70% of what number?

• 35

• 40

• 50

• 55

Multiple Choice

What is 15% of 82?

• 12.3
• 123
• 1.23

Multiple Choice

What is 50% of 250?

• 100

• 125

• 50

• 150