Ratios Lesson 6-1

Check Skills You’ll Need Write each Fraction in Simplest Form: 1. 4/12 = 2. 18/27 = 3. 14/63 = 4. 3/48 = 1/3 2/3 2/9 1/16

CCS: 6.RP.1. Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities Objectives: Students will write ratios in three different ways Students will write and find equal ratios Students will write ratios in simplest form

Vocabulary A ratio is a comparison of two numbers by division. Each number in a ratio is called a term. An equal ratio is when two ratios name the same number

Ratios A ratio is a comparison between two numbers by division. It can be written in three different ways: 5 to 2 5 : 2 5 2

Equal Ratios When two ratios name the same number, they are equal. It’s like writing an equivalent fraction. 20 : 30 Equal Ratios: 80 : 120 10 : 15 2 : 3

Ratios in Simplest Form Ratios can be written in simplest form. Divide both terms in the ratio by their GCF. Example: 12 to 8 Divide by GCF 3 to 2

Classwork: Play these games from Academic Skill Builders to read, write and identify ratios: Ratio Blaster Ratio Martian Ratio Stadium- Play with your friends! HOMEWORK TIME: pg. 271, 2-48 EVEN