Do Now Gail can’t decide what to wear. She has 4 shirts, 3 skirts, and 4 different pairs of shoes to choose from. How many different outfits can she.

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Presentation transcript:

Do Now Gail can’t decide what to wear. She has 4 shirts, 3 skirts, and 4 different pairs of shoes to choose from. How many different outfits can she make? At an ice cream party there are two kinds of ice cream, four different toppings, and three kinds of candies. How many different types of sundaes can you make?

Do Now Gail can’t decide what to wear. She has 4 shirts, 3 skirts, and 4 different pairs of shoes to choose from. How many different outfits can she make? 48 At an ice cream party there are two kinds of ice cream, four different toppings, and three kinds of candies. How many different types of sundaes can you make?

Do Now Gail can’t decide what to wear. She has 4 shirts, 3 skirts, and 4 different pairs of shoes to choose from. How many different outfits can she make? 48 At an ice cream party there are two kinds of ice cream, four different toppings, and three kinds of candies. How many different types of sundaes can you make? 24

Proportions Key Points: They are forms of equivalent fractions We will need to cross multiply to find the missing number

Proportions Ex. 12 = 4 15 X

Proportions Ex. 12 = 4 15 X 12(X) = 15(4)

Proportions Ex. 12 = 4 15 X 12(X) = 15(4) 12X = 60

Proportions Ex. 12 = 4 15 X 12(X) = 15(4) 12X = 60 12 12

Proportions Ex. 12 = 4 15 X 12(X) = 15(4) 12X = 60 12 12 X = 5