Ratios Basics

1. A ratio is a comparison of two amounts by _. Multiplication Addition Division Subtraction 2. What is the ratio of squares to diamonds in the picture above? 15 : 20 3 : 4 20 : 15 3. What is the ratio of diamonds to squares in the picture above? 20 :15 15 : 20 4 : 3 4. Sort the ratios into part to part, part to whole, rate, or unit rate. Part-To-Part 10 apples to 12 oranges 6 girls in band to 10 girls in chorus Part-To-Whole 10 green apples to 50 apples in the box 12 boys to 28 students Rate 15 inches for 3 worms 18 miles in 3 days Unit Rate 25 miles for 1 gallon $4.40 for 1 box of crackers