Fractions and Decimals as Percents

Fractions and Decimals as Percents

6th Grade GoMath 5.3

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During the 08-09 NBA season, the Phoenix Suns won about 11/20 of their games. The Miami heat won about 0.536 of their games. When teams was more successful during the season?

To compare... write fraction and decimal as a percent.

Write 11/20 as a percent

• Multiply the numerator and denominator by the same value. We need 100 as the denominator.

• A percent is a ratio comparing 100.

• What percent of games did the Suns win?

0.524

• To write a percent as a decimal, divide by 100

• To write a decimal as a percent, multiply by 100

• To multiply by 100... move the decimal point 2 places to the right.

• What percent of games did the Heat win?

Multiple Choice

Were the Suns or the Heat more successful?

• Suns

• Heat

• Timberwolves

• Lakers

Write 0.7 as a fraction AND a percent

• 0.7 means 7 ___________

• How would we write that a fraction?

• To write as a percent, first write an equivalent fraction with a denominator of 100

Multiple Choice

0.7 as a fraction is...

• 7/100

• 7/10

• 35/100

• 3

Multiple Choice

0.7 written as a percent is...

• 7%

• 17%

• 49%

• 70%

Write 3/40 as a decimal and as a percent

• Since 40 is not a factor of 100, it's more difficult to find an equivalent fraction with a denominator of 100

• Use division to write 3/40 as a decimal

• Divide 3 by 40

Multiple Choice

3/40 as a decimal

• 75

• 0.075

• 0.13

• 0.7.5

Multiple Choice

3/40 as a percent

• 75%

• 63%

• 7.5%

• 34%

Multiple Choice

Fraction as a percent: 3/50

• 6%

• 16%

• 35%

• 350%

Multiple Choice

Decimals as a percent: 0.303

• 99%

• 12%

• 30.3%

• 303%

Multiple Choice

Fraction as Percent: 7/20

• 45%

• 27%

• 720%

• 35%

Multiple Choice

What is 12/100 as a percentage?

• 24 %
• 12 %
• 50 %
• 99 %

Multiple Choice

Which number is equivalent to 0.08?

• 0.0008%
• 0.08%
• 80%
• 8%

Multiple Choice

Change this decimal to a percent.
0.528

• 528%
• 52.8%
• 5.28%
• 52%

Multiple Choice

Order 5/8, 60%, and 0.62 from least to greatest.

• 0.62, 5/8, 60%
• 5/8, 0.62, 60%
• 60%, 5/8, 0.62
• 60%, 0.62, 5/8

Multiple Choice

What is the percent for the fraction 9/20?

• 9%
• 45%
• 20%
• 4.90%

Multiple Choice

Express 16/25 as a percent.

• 0.64%
• 64%
• 1.5625%
• 15.625%