McGraw Hill Math Grade 6 Lesson 25.4 Answer Key Tree Diagrams

Practice questions available in McGraw Hill Math Grade 6 Answer Key PDF Lesson 25.4 Tree Diagrams will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 6 Answer Key Lesson 25.4 Tree Diagrams

Exercises

INTERPRET

Question 1.
How many different outcomes are there in the tree diagram?
McGraw Hill Math Grade 6 Lesson 25.4 Answer Key Tree Diagrams 1
Answer:
Red – RR, RW, RG
White – WR, WW, WG
Green – GR, GW, GG
So, the different outcomes are 9 in the tree diagram.

Question 2.
Below is a tree diagram of the choices at the picnic you are going to attend. If you do not like hamburgers, how many different meal combinations can you select from?
McGraw Hill Math Grade 6 Lesson 25.4 Answer Key Tree Diagrams 2
Answer:
Chicken – Club – apples, ice cream
Chicken – Salad – apples, ice cream
Mushroom – Club – apples, ice cream
Mushroom – Salad – apples, ice cream
There are 4 possible outcomes.

SOLVE

Question 3.
Draw a tree diagram that shows the possible outcomes of flipping a coin 3 times.
Answer:
McGraw-Hill Math Grade 6 Answer Key Lesson 25.4 Tree Diagrams_3
So, the possible outcomes of flipping a coin 3 times are 8.

Question 4.
How many outcomes are there where both John and Bill fail?
McGraw Hill Math Grade 6 Lesson 25.4 Answer Key Tree Diagrams 3
Answer:
Favorable outcomes = {(Bill passes, Bill fails), (Bill passes, Bill fails)}
So, the outcomes are 2.

Question 5.
Below is a tree diagram of the possibilities where four girls—Heather, Alice, Lucy, and Annie—each choose one item for their desk. How many different outcomes
McGraw Hill Math Grade 6 Lesson 25.4 Answer Key Tree Diagrams 4
Answer:
There are 12 possible outcomes.
If Heather, Alice, Lucy, and Annie—each choose one item for their desk then the possible outcomes are 4/12 = 1/3

Question 6.
You are at an ice cream shop and you have three choices of ice cream—vanilla, strawberry, and chocolate. You have to choose a topping of either nuts or sprinkles. Draw a tree diagram that shows all the possible different ice cream cones you can order.
Answer:
Given,
You are at an ice cream shop and you have three choices of ice cream—vanilla, strawberry, and chocolate. You have to choose a topping of either nuts or sprinkles.
McGraw-Hill Math Grade 6 Answer Key Lesson 25.4 Tree Diagrams_6
There are 2 different outcomes for each flavor of ice cream.
The total possible outcomes are 6.

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