Answer Key
CHAPTER 8 Graphs, Patterns, and Probability
Lesson 3

On the Road to Learning (page 338)
A.
1. Color boxes numbers
Column 1 Column 2
2, 4, 5, 1,2,3,4

B.
1. 2/9
2. blue
3. green
4. 6/9
5. 1/9

C. Note: Please change star to diamond (in the diagram).
1. smiley face
2. triangle, diamond
3. 2/8
4. 1/9
5. 1/9

Creating My Math Word Corner (page 340)
Sample answers: probability, probability outcome,

Showing What I Have Learned (page 340)
Accomplishing the Standard
A.
1. True
2. True
3. True
4. True
5. False

B.
1. 1/6
2. 1/6
3. 3/6
4. 3/6
5. 3/6
6. 2/6
7. 1/6
8. 3/6

C.
1. 3/12
2. 2/12
3. 4/12
4. 6/12
5. 8/12
6. 1/12
7. 6/12

Extending Beyond the Standard
1. a. 2 heads, 2 tails, and 1 head 1 tail
b. 2/6 or 1/3
2. 12 combinations = 1 & head, 1 & tail, 2 & head, 2 & tail, 3 & head, 3 & tail, 4 & head, 4 & tail, 5 & head,
5 & tail, 6 & head, 6 & tail

Understanding How I Learned (page 342)
Answers will vary. Possible answers:
1. Not easy and not difficult.
2. Probability of a coming event
3. Study well at home and ask the help an elder who knows the topic.

Assessing My Skills (pages 343 to 346)
A.
1. a
2. b
3. c
4. c
5. a
6. b
7. c
8. d
9. c
10. c
11. a
12. d
13. a
14. d
15. a
16. b
17. c
18. b
19. c
20. d

Chapter 8