Per – for each / for every Cent – 100 Percentages      Per – for each / for every       Cent – 100         A percent is a ratio of parts per 100.                                #                              100                           

Convert Fractions, Decimals, & Percent

  Consider this...100 pennies (cents) = $1.00   What is the decimal, fraction, and percent of: 1 penny, 25 pennies, 50 pennies, 75 pennies, 99        pennies?

Halves = 50% each Thirds = 33.3% each Fourths = 25% each Fifths = 20% each

Using Visual Models to Solve Percent Situations In percent situations, there are three important numbers to uncover, the part, the whole, and the percent. The situation becomes a "problem" when one of these numbers are missing, and it is our role to determine what the missing number is.

Sample Questions: There are 120 students in the sixth grade. 40% of the students read every night. How many students read every night? Part ____ Whole ____ Percent ____ Answer Statement: ____ out of the 120 students read every night.

Sample Questions: 15 out of the 25 fishing vessels returned to dock due to the stormy weather. What percent of the fishing vessels remained at sea? Part _____ Whole _____ Percent _____ Answer Statement: _____ percent of the fishing vessels remained at sea.

Sample Questions: 30% of the m&ms in the bag are red. There are 72 red m&ms. How many m&ms are there in the entire bag? Part _____ Whole _____ Percent _____ Answer Statement: There are _____ m&ms in the entire bag.

The percent proportion presents an alternative method to help problem solve percent problems. The percent proportion requires us to plug in the part, whole, and percent into an equivalent ratio template. Part % Whole 100 =

Find the part, whole, percent and put it in the template Find the part, whole, percent and put it in the template. First, it is important to determine which one is missing! Remember, the percent is always over the 100.