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## Ratios

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**Ratios**By Edith Henderson Beech Springs Intermediate School Grade 5 http://www.spart5.k12.sc.us/**What is a ratio?**A ratio is two numbers that are used to compare two quantities.**Three Ways To Write Ratios**• 1/3 • 1 to 3 • 1:3**Where Can We Find Ratios?**• Recipes • Food labels • Classrooms • Scale Drawings**Let’s Make A Ratio**What is the ratio of pairs of white tennis shoes to pairs of black tennis shoes? Write the answer in three ways.**Let’s Make A Ratio “Answer”**White pairs of tennis shoes = 5 Black pairs of tennis shoes = 4 Ratio is 5/4 or 5 to 4 or 5:4.**Black and White Shoes**• What is the ratio of white to black shoes? • What is the ratio of black to white shoes? • What is the ratio of black shoes to all shoes?**Trivia Games**What is the ratio of games won by Sean to games won by Sonia on Day 3?**Standards Addressed:Data Analysis and Probability**• Formulate questions that can be addressed with data and collect, organize, and display relevant data to answer them. • Compare data sets collected in different ways to address a given question.**Graphics Courtesy Of:**• www.animfactory.com