Math 7: 3.1-3.3 Review

Change to a percent

0.039

• 39%

• 3.9%

• .00039%

• .039%

Convert to a percent

0.375

• 37%

• 37.5%

• .375%

• 37

Change to a percent

0.007

• 0.7%

• 0.07%

• 7%

• 70%

What is 42% expressed as a decimal?

• 0.42
• 4.2
• 42
• 0.042

Write 175% in decimal form.

• 0.175

• 17.5

• 1.75

• 175

Write 5% as a decimal.

• 5
• 0.5
• 0.05
• 0.005

Write 0.14 as a percent.

• 1.4%
• 140%
• 14%
• 0.14%

Change 0.384 to a percent.

• 3.84%
• 384%
• 38.4%
• 38.4

When converting decimals to percents, move the decimal:

• Two places to the left.
• Two places to the right.
• Two places up.
• Two places down.

When converting percents to decimals, move the decimal two places:

• Two places to the right.
• Two places down.
• Three places to the right.
• Two places to the left.