How many different ways can a red, blue and green marble be pulled from a bag?

Core Lesson

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What is the probability of getting green, blue and red in

that order? P(g, b, r)=

Tree Diagram

EXAMPLE 1 You Try:You are ordering a fruit smoothie. You have your choice of a small, medium or large smoothies. And you can include one of the following fruits: strawberries, bananas or oranges. How many different choices of smoothies do you have?

STEP 1 STEP 2List the sizes. List the fruit

each size.choices for

STEP 3List theoutcomes

There are 9 different choices of smoothies.

GUIDED PRACTICEYou TryPopcorn at a movie theater comes in regular, large, and jumbo sizes, and it comes either plain or buttered. How many choices of popcorn do you have? Make a tree diagram to solve the problem.

You have 6 different choices.

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Making a Table

You flip a coin twice. Make a table to display your outcome.

You try:You have three shirts and four pairs of pants to choose from. Make a table to display the different combinations.

5 ice cream flavors x 4 toppings= 20

20 different ways to order a sundae at Scott’s Sundae Shop.

You Try:You order an ice cream sundae at Scott’s Sundae Shop. You have 5 ice cream flavors and 4 toppings to choose from. How many different ways could you order a sundae?

Practice:Tree Diagram

Worksheet