Ratios

You can use a ratio to compare two numbers in 3 ways: whole to part, part to whole, and part to part.

Whole to Part all hearts to yellow hearts: 9: 6, 9/6, 9 to 6

Part to Whole red hearts to all hearts: 3:9, 3/9, 3to9

Part to Part red hearts to yellow hearts: 3:6, 3/6, 3to6

Ratio Try Problems

What is the ratio of vowels to consonants in the word PARALLELOGRAM What is the ratio of vowels to consonants in the word PARALLELOGRAM? What kind of ratio is this? Jordan has 3 goldfish, 2 turtles, and 1 snail. He says that the ratio of turtles to the total number of animals is 2 to 5. Find and correct Jordan’s error.

There are 56 children at the Walter Family Reunion, 29 girls and 27 boys. What is the ratio of boys to children? There are 62 boys who ride bicycles to school and 45 who walk to school. What whole to part ratio can you make from this information?

Out of every 60 people in the world, 12 live in China, 10 live in India, and 3 live in the U.S. Match each ratio with its comparison. A 60:3 B 10:60 C 12:10 D 3:12 1.) India:world 2.) U.S.:China 3.) world:U.S. 4.) China:India