Answer Key
CHAPTER 8 Graphs, Patterns, and Probability
Lesson 2
On the Road to Learning (page 326)
A.
1. A figure is removed one at a time.
2. There is an addition of one side.
3. Moon follows sun.
CHAPTER 8 Graphs, Patterns, and Probability
Lesson 2
On the Road to Learning (page 326)
A.
1. A figure is removed one at a time.
2. There is an addition of one side.
3. Moon follows sun.
On the Road to Learning (page 328)
A.
1. d
2. b
3. a
4. e
5. c
B.
1. 10, 5
2. 32, 38
3. 12, 8
4. 8, 7
5. 64, 128
6. 110, 145
7. 84, 72
8. 31, 62
A.
1. d
2. b
3. a
4. e
5. c
B.
1. 10, 5
2. 32, 38
3. 12, 8
4. 8, 7
5. 64, 128
6. 110, 145
7. 84, 72
8. 31, 62
On the Road to Learning (page 331)
A.
1. 126 subtract 154 from 280
2. 1508 add 393 to 1115
3. 180 multiply 15 by 12
4. 21 divide 378 by 18
5. 105 subtract 188 from 293
1 4
3
4
2
12
5
1 1
2 1
1
121
B.
1. 66
2. 104
3. 263
4. 125
5. 7
6. 12
7. 112
8. 52
9. 1152
10. 82
Creating My Math Word Corner (page 332)
Sample answers: figure pattern, number pattern, pattern combinations, number sentences
Showing what I Have Learned (pages 333 and 334)
Accomplishing the Standard
A.
1. 126 subtract 154 from 280
2. 1508 add 393 to 1115
3. 180 multiply 15 by 12
4. 21 divide 378 by 18
5. 105 subtract 188 from 293
1 4
3
4
2
12
5
1 1
2 1
1
121
B.
1. 66
2. 104
3. 263
4. 125
5. 7
6. 12
7. 112
8. 52
9. 1152
10. 82
Creating My Math Word Corner (page 332)
Sample answers: figure pattern, number pattern, pattern combinations, number sentences
Showing what I Have Learned (pages 333 and 334)
Accomplishing the Standard
B.
1. add 9 to succeeding no. 51, 60
2. add 2, then multiply by 2 52, 54
3. subtract 15 90, 75
4. divide by 2 8, 4
5. add 5, then subtract by 3 14, 19
C.
1. 90
2. 218
3. 15
4. 36
5. 600
6. 98
7. 6
8. 24
9. 2
10 1550
Extending Beyond the Standard
1. 24 yrs
2. 69 kg
Understanding How I Learned (page 334)
Answers will vary. Possible answers:
1. Figure pattern
2. Not so well.
3. I will ask some help from the teacher or a classmate.
1. add 9 to succeeding no. 51, 60
2. add 2, then multiply by 2 52, 54
3. subtract 15 90, 75
4. divide by 2 8, 4
5. add 5, then subtract by 3 14, 19
C.
1. 90
2. 218
3. 15
4. 36
5. 600
6. 98
7. 6
8. 24
9. 2
10 1550
Extending Beyond the Standard
1. 24 yrs
2. 69 kg
Understanding How I Learned (page 334)
Answers will vary. Possible answers:
1. Figure pattern
2. Not so well.
3. I will ask some help from the teacher or a classmate.