Bell ringer Simplify each fraction: 𝟏𝟓 𝟐𝟕 𝟏𝟒𝟒 𝟏𝟓𝟔 𝟑𝟗 𝟓𝟒 𝟏𝟎𝟔 𝟏𝟎𝟖

Ratios Wednesday, November 4, 2015 Students will be able to compare two quantities using a part-part-whole table. Students will be able to write a ratio 3 different way.

What is a Ratio? A ratio is a comparison of two quantities. Example: I put three scoops of chocolate sauce for every one cup of milk. Two things begin compare: 1. 2.

What are you comparing? Two months ago, the high school averaged 4 boys for every 3 girls. 435 babies out of 5000 people traveled to Alaska recently. There are seven blue squares to three yellow squares.

Ways to write a ratio Three ways: Colon Basic Fraction 1:2 1 to 2 𝟏 𝟐

Write the following ratios 3 different ways 3 to 7 4:18 𝟑.𝟐 −𝟒.𝟓

Example 1

Example 2 (independent) What is the ratio or candy corn to candy canes? What is the ratio of candy canes to candy corn? What is the ratio of candy corn to all candy? Part Whole

Example 3 A bag of M&Ms has 50 M&Ms. It comes with 12 brown M&Ms, 8 blue M&Ms, 13 red M&Ms, 13 yellow M&Ms and the rest are green M&Ms. Write the ratio of green M&M’s to total M&M’s Write the ratios of brown M&M’s to red M&M’s Write the ratio of Total M&M’s to all EXCEPT red M&M’s Set Up Table:

Example 4 The Spring School District has 41 teachers. There are 5 elective teachers, 11 math teachers, and 10 Language Arts teachers, 8 Science teachers, and the rest teach History. Write the ratio of History teachers to all teachers. Set Up Table: Write 3 ratios to show the comparison of history teachers to all teachers:

Example 5 Write 3 ratios of clubs to spades: Set Up Table: Write 3 ratios of clubs to spades: Write 3 ratios of hearts to diamonds: Write the ratio of spades AND clubs, to hearts AND diamonds:

Classwork Workbook Page 291 AND 292 If not completed in class, finish for homework.

Exit Ticket Complete exit ticket – INDEPENDENTLY 15 MINUTES TO COMPLETE TURN IN FOR A GRADE.