Fractions and Percentages Mid Chapter Test

Fraction to Percentage Equivalents

• 1/5 is equivalent to 20%
• 1/3 is equivalent to 33.3%
• 1/6 is equivalent to 16.6%
• 1/8 is equivalent to 12.5%
• 1/4 is equivalent to 25%
• 1/5 is also equivalent to 20% (repeated for clarity)
• 1/10 is equivalent to 10%
• 1/8 is also 12.5% (repeated for clarity)
• 1/6 is also 16.6% (repeated for clarity)
• 3/8 is equivalent to 37.5%
• 5/8 is equivalent to 62.5%
• 7/8 is equivalent to 87.5%
• 1/3 translates to 33.3%
• 2/3 translates to 66.7%
• 5/6 is equivalent to 83.3%

Percentage Calculations

• 10% of a number involves moving the decimal point one space left.
• 100% of a number involves moving the decimal point two spaces left.
• 1000% of a number involves moving the decimal point three spaces left.

Conversions and Calculations

• To divide by 100, multiply by 1/100.
• To convert a fraction to a percent, first convert the fraction to a decimal and then multiply by 100.
• To convert a percentage to a decimal, divide by 100 and move the decimal point two places left.
• To convert a decimal to a percentage, multiply by 100 and move the decimal point two places right.
• The expression "is/of" can be represented as %/100.
• The part over the whole can also be represented as %/100.
• Example calculation: 75% of 16 is calculated as 3/4 x 16/1, yielding a result of 12.