Changing Ratios to Percent’s Guided Notes Name ____________________ Date __________ How do you change a ratio to a percent that has a denominator of 100? How can you use a ratio table to change a ratio to a percent? How to use a tape diagram to change a ratio to a percent Example 1:Jan has 49 chocolate candies out of 70 pieces of candy. What percent of her candy is chocolate? Example 2: Three out of 20 students made straight A’s this quarter. What percent of the students made straight A’s? TeacherTwins©2015

Changing Ratios to Percent’s Guided Notes Name ___________________ Date __________ How to change a ratio to a percent by changing a fraction to a decimal. Example 1: Uma has 33 blue pencils out of 67 total pencils. Example 2: A recipe has 1 cup of milk for every 3 cups of flour. What percent is milk? Practice Solve the following problems by modeling with a tape diagram. 1). 30 out of 60 people like hot dogs. What percent of the people like hot dogs? 2). Ku has 4 dogs out of 5 pets. What percent of his pets are dogs? Solve using any method you like. 3). 2 out of every 3 people prefer dogs over cats. What is the percent? 4). Hal received 39 out of 50 vote. What percent did he receive? TeacherTwins©2015