Converting Between Decimals and Percents

The video tutorial covers the importance of understanding percents for the SAT, including how to convert between percents, fractions, and decimals. It explains the process of translating word problems into mathematical equations, emphasizing the significance of recognizing key terms like 'of' as multiplication. The tutorial provides examples and methods for these conversions, highlighting the use of calculators for efficiency.

Why are fractions, decimals, and percents important in SAT math?

• They are fundamental concepts tested frequently.

• They are not relevant to SAT math.

• They are rarely used in SAT math.

• They are only used in advanced math sections.

What does a percent represent?

• A number out of 50.

• A number out of 1000.

• A number out of 100.

• A number out of 10.

How do you convert 25% to a fraction?

• 25/1000

• 25/100

• 25/50

• 25/10

What is the decimal equivalent of 25%?

• 25.0

• 2.5

• 0.25

• 0.025

How can you convert a fraction to a percent using a calculator?

• Add 100 to the fraction.

• Multiply the fraction by 100.

• Subtract 100 from the fraction.

• Divide the fraction by 100.

What is 9/200 as a percent?

• 0.045%

• 45%

• 4.5%

• 0.45%

How do you convert a fraction to a decimal?

• Subtract the denominator from the numerator.

• Add the numerator and denominator.

• Divide the numerator by the denominator.

• Multiply the numerator by the denominator.

What is the process to convert a decimal to a percent?

• Divide by 10.

• Move the decimal point two places to the left.

• Move the decimal point two places to the right.

• Multiply by 10.

How do you convert 0.45 to a fraction?

• 45/1000

• 45/10

• 45/100

• 45/50

What is the key to translating 'of' in word problems?

• Add

• Multiply

• Divide

• Subtract