Converting Fraction, Percent, Ratio, Decimal

Percents and fractions are both ratios.

• True

• False

What is a ratio?

• A comparison of two numbers by division.

• A number compared to 1.

• A number out of 100

• 65.8

Percents are...

• Part-to-Whole

• Part-to-Part

• Whole-to-Whole

• Salsa-to-Chips

How do you convert a percent to a fraction?

• Put the percent amount over 100 and simplify

• Move the decimal point two spots to the left

• Move the decimal point two spots to the right

• Divide by "putting the top number in the house"

How do you convert a percent to decimal?

• Put the percent amount over 100 and simplify

• Move the decimal point two spots to the left

• Move the decimal point two spots to the right

• Divide by "putting the top number in the house"

How do you convert a fraction to decimal?

• Put the percent amount over 100 and simplify

• Move the decimal point two spots to the left

• Move the decimal point two spots to the right

• Divide by "putting the top number in the house"

How do you convert a fraction to a percent?

• Divide

• Set up a proportion

• Combine the numbers

• Slap a percent sign on the top numerator

When converting a fraction to decimal, it is sometimes easier to do this rather than divide.

• Scale Up

• Scale Down

• Scale Right

• Scale Left

How do you convert a decimal to a percent?

• Put the percent amount over 100 and simplify

• Move the decimal point two spots to the left

• Move the decimal point two spots to the right

• Divide by "putting the top number in the house"

90% is what as a fraction?

• 9/10

• 4/5

• 9/100

• 2/3