Chapter Resources Volume 1: Chapters 1-7
Lesson 1.5
LESSON
Name
Date
1.5 Practice A For use with pages 28–33
Tell whether the sum is positive or negative. You do not need to find the sum.
1. 16 43
2. 12 (9)
3. 7 (32)
4. 17 13
Use a number line to find the sum.
5. 7 2
6. 8 3
7. 4 (11)
8. 5 (13)
9. 6 (10)
10. 15 (9)
11. 12 (1)
12. 7 (14)
13. 8 (6)
14. 21 (46)
15. 18 (53)
16. 23 (40)
17. 19 (17)
18. 27 35
19. 24 17
20. 33 48
21. 29 (13)
22. 41 (37)
Find the sum.
Evaluate the expression when x 7 and y 6.
23. x 11
24. x (20)
25. 9 x
26. x y
27. y (12)
28. 23 y
29. You have a checking account. Your balance is $95. You withdraw $32, deposit $80, and withdraw $25. Write an integer to represent each value. Then find the final balance in your account. 30. In consecutive plays, a football team gains 5 yards, loses 3 yards, loses 1 yard, and gains 6 yards. Write an integer to represent each value. What is the net gain for the drive?
30
Pre-Algebra Chapter 1 Resource Book
Copyright © Holt McDougal. All rights reserved.
Lesson 1.3 continued
1. 7
3. 42 (13 9) 32 4 6
2. 15
4. (12 7) (6 19) 14 111
6.
13. 16
6. 4 102 1000 5 4 204
]
9.
11. 73
5. 90 (3 7) 3 2 15 7. 800 12(800) 80 13 800 12(800) 80
7. >
Answers
5. >
Challenge Practice
0
2
4
6
8
10
3
2
1
0
1
2
7, 5, 3, 2, 6, 9
Mont Blanc, Mt. McKinley 26. some values; true for any positive or negative value of a and false for a 0 27. all values 28. some values; true for a 0 and false for any positive or negative value of a
Review for Mastery
4. 9
8
7
6
5
4
7, 6, 5, 1, 0, 1 5. < 6. > 7. > 8. > 9. < 10. < 11. 12 12. 17 13. 21 14. 32 15. 45 16. 98 17. 56 18. 37 19. 48 20. 65 21. 13 22. 29 23. 5 24. 8 25. 12 26. 10 27. 5, 3, 2, 1, 3; Jerri, Fernando, Lance, Hugh, Elinor
9
1.
24 20 16 12 8
1 4
5 0
4
8
12
16
20
20
25
9, 4, 1, 5, 16 11
2.
17
30 25 20 15 10 5
0
5
10
15
11, 5, 0, 5, 17, 20 3. 24; 24 4. 41; 41 5. 63; 63 6. 63 7. 0 8. 25
Practice B 20
1.
Challenge Practice
14
23 21 19 17 15 13 11 9
7
5
3
1
20, 14, 13, 11, 9, 7 15 5
2.
50 40 30 20 10
35 0
10
20
30
40
50
60
2
3
4
5
6
30, 15, 5, 10, 20, 35 3. 5
4
3
2
1
0
1
3, 2, 1, 0, 1, 2, 3 4.
1. ⏐6⏐, ⏐5⏐, 2, 1, (3), ⏐4⏐, (⏐7⏐) 2. ⏐22⏐, ⏐(21)⏐, 18, ⏐17⏐, (17), 19, 26 3. 15 4. 3 5. 15 6. 3 7. negative 8. positive 9. negative 10. positive
Lesson 1.5 Practice A
50 30 10 100 80 60 40 20
0
20
40
50, 30, 10, 20, 40, 60 Copyright © Holt McDougal. All rights reserved.
60
80
100 120
1. positive
2. negative
4. negative
5. 5
3. negative
6. 5
7. 15
Pre-Algebra Chapter 1 Resource Book
8. 18
A3
Answers
Lesson 1.5 continued 9. 4 14. 67 19. 7
10. 6
11. 13
15. 71 20. 15
12. 7
16. 17
21. 16
13. 2
17. 2
22. 4
26. 1
18. 8
23. 4
24. 27
25. 16
27. 6
28. 17
29. 95, 32, 80, 25; $118
11. 74
14. 55
15. 74
18. 47
3. 19
7. 36
10. 95
4. 26
8. 44
12. 11
9. 109
13. 12
the estimates is 19 feet less than the actual vertical distance.
2. 4785
3. a is positive, b can be
1
$68
2
$51
3
$31
Lesson 1.6
4
$81
5
$91
6
$76
7
$52
11. 3
8
$23
16. 19C
9
$8
20. 35 ft 21. 52 yd
10
$13
24. 2
27. 25
28. 22
25. 22 29. 53
30. 10, 6, 3, 2, 8; 13F
31. 800, 100,
150, 110, 400; $540
Practice C 1. 46
2. 35
6. 12
7. 203
3. 64
17. 40 22. 49
26. 88
27. 18
30. a. negative
4. 76
8. 32
13. 10
12. 0
21. 41
A4
3. 203 (184) 19; The total of
Balance
26. 86
b. $13
2. 184
Transaction
24. 15
31. a.
10. 31
any integer. 4. (1) Both a and b are positive, or (2) a and b are negative and a b. 5. One of the integers a and b is positive, the other is negative. 6. (1) Both a and b are positive, or (2) both a and b are negative. 7. a and b are opposites. 8. One of the integers a and b is positive, the other is negative. The absolute value of the positive integer is 1 greater than the absolute value of the negative integer. 9. (1) Both a and b are negative, or (2) one is negative, the other is positive, and the absolute value of the negative integer is greater than the absolute value of the positive integer. 10. (1) a is positive and b is negative, or (2) a and b are both positive and a is greater than b, or (3) a and b are both negative and the absolute value of b is greater than the absolute value of a.
23. 76
16. 46
9. 38
8. 13
12. 1
1. 469
21. 1
22. 29
11. 6
7. 3
5. 42
4. 18
Challenge Practice
17. 19
16. 28
20. 121
19. 65
6. 21
3. 6
1. 85 (4) (55) (27) 9 (22)
2. positive
6. 32
2. 17
Problem Solving Workshop
Practice B 5. 29
1. 3 11. 5
30. 5, 3, 1, 6; 7 yards
1. negative
Review for Mastery
18. 96
9. 22
10. 37
14. 65
15. 13
19. 54
20. 16
23. 71 28. 9
5. 9
24. 32
29. 7
b. positive
c. negative
c. yes, transactions 9 and 10
Pre-Algebra Chapter 1 Resource Book
25. 59
Practice A 1. 3
2. 4
3. 10
6. 15
7. 9
8. 2
12. 13 17. 18C
25. 1
4. 17 9. 11
13. 2
10. 14
14. 18
18. 23F 22. 32 m
26. 24F
5. 12 15. 17
19. 44F 23. 8 m
27. 6125 ft
28. 22F
Copyright © Holt McDougal. All rights reserved.
LESSON
Name
Date
1.5 Practice A For use with pages 28–33
Tell whether the sum is positive or negative. You do not need to find the sum.
1. 16 43
2. 12 (9)
3. 7 (32)
4. 17 13
Use a number line to find the sum.
5. 7 2
6. 8 3
7. 4 (11)
8. 5 (13)
9. 6 (10)
10. 15 (9)
11. 12 (1)
12. 7 (14)
13. 8 (6)
14. 21 (46)
15. 18 (53)
16. 23 (40)
17. 19 (17)
18. 27 35
19. 24 17
20. 33 48
21. 29 (13)
22. 41 (37)
Find the sum.
Evaluate the expression when x 7 and y 6.
23. x 11
24. x (20)
25. 9 x
26. x y
27. y (12)
28. 23 y
29. You have a checking account. Your balance is $95. You withdraw $32, deposit $80, and withdraw $25. Write an integer to represent each value. Then find the final balance in your account. 30. In consecutive plays, a football team gains 5 yards, loses 3 yards, loses 1 yard, and gains 6 yards. Write an integer to represent each value. What is the net gain for the drive?
30
Pre-Algebra Chapter 1 Resource Book
Copyright © Holt McDougal. All rights reserved.
Lesson 1.3 continued
1. 7
3. 42 (13 9) 32 4 6
2. 15
4. (12 7) (6 19) 14 111
6.
13. 16
6. 4 102 1000 5 4 204
]
9.
11. 73
5. 90 (3 7) 3 2 15 7. 800 12(800) 80 13 800 12(800) 80
7. >
Answers
5. >
Challenge Practice
0
2
4
6
8
10
3
2
1
0
1
2
7, 5, 3, 2, 6, 9
Mont Blanc, Mt. McKinley 26. some values; true for any positive or negative value of a and false for a 0 27. all values 28. some values; true for a 0 and false for any positive or negative value of a
Review for Mastery
4. 9
8
7
6
5
4
7, 6, 5, 1, 0, 1 5. < 6. > 7. > 8. > 9. < 10. < 11. 12 12. 17 13. 21 14. 32 15. 45 16. 98 17. 56 18. 37 19. 48 20. 65 21. 13 22. 29 23. 5 24. 8 25. 12 26. 10 27. 5, 3, 2, 1, 3; Jerri, Fernando, Lance, Hugh, Elinor
9
1.
24 20 16 12 8
1 4
5 0
4
8
12
16
20
20
25
9, 4, 1, 5, 16 11
2.
17
30 25 20 15 10 5
0
5
10
15
11, 5, 0, 5, 17, 20 3. 24; 24 4. 41; 41 5. 63; 63 6. 63 7. 0 8. 25
Practice B 20
1.
Challenge Practice
14
23 21 19 17 15 13 11 9
7
5
3
1
20, 14, 13, 11, 9, 7 15 5
2.
50 40 30 20 10
35 0
10
20
30
40
50
60
2
3
4
5
6
30, 15, 5, 10, 20, 35 3. 5
4
3
2
1
0
1
3, 2, 1, 0, 1, 2, 3 4.
1. ⏐6⏐, ⏐5⏐, 2, 1, (3), ⏐4⏐, (⏐7⏐) 2. ⏐22⏐, ⏐(21)⏐, 18, ⏐17⏐, (17), 19, 26 3. 15 4. 3 5. 15 6. 3 7. negative 8. positive 9. negative 10. positive
Lesson 1.5 Practice A
50 30 10 100 80 60 40 20
0
20
40
50, 30, 10, 20, 40, 60 Copyright © Holt McDougal. All rights reserved.
60
80
100 120
1. positive
2. negative
4. negative
5. 5
3. negative
6. 5
7. 15
Pre-Algebra Chapter 1 Resource Book
8. 18
A3
Answers
Lesson 1.5 continued 9. 4 14. 67 19. 7
10. 6
11. 13
15. 71 20. 15
12. 7
16. 17
21. 16
13. 2
17. 2
22. 4
26. 1
18. 8
23. 4
24. 27
25. 16
27. 6
28. 17
29. 95, 32, 80, 25; $118
11. 74
14. 55
15. 74
18. 47
3. 19
7. 36
10. 95
4. 26
8. 44
12. 11
9. 109
13. 12
the estimates is 19 feet less than the actual vertical distance.
2. 4785
3. a is positive, b can be
1
$68
2
$51
3
$31
Lesson 1.6
4
$81
5
$91
6
$76
7
$52
11. 3
8
$23
16. 19C
9
$8
20. 35 ft 21. 52 yd
10
$13
24. 2
27. 25
28. 22
25. 22 29. 53
30. 10, 6, 3, 2, 8; 13F
31. 800, 100,
150, 110, 400; $540
Practice C 1. 46
2. 35
6. 12
7. 203
3. 64
17. 40 22. 49
26. 88
27. 18
30. a. negative
4. 76
8. 32
13. 10
12. 0
21. 41
A4
3. 203 (184) 19; The total of
Balance
26. 86
b. $13
2. 184
Transaction
24. 15
31. a.
10. 31
any integer. 4. (1) Both a and b are positive, or (2) a and b are negative and a b. 5. One of the integers a and b is positive, the other is negative. 6. (1) Both a and b are positive, or (2) both a and b are negative. 7. a and b are opposites. 8. One of the integers a and b is positive, the other is negative. The absolute value of the positive integer is 1 greater than the absolute value of the negative integer. 9. (1) Both a and b are negative, or (2) one is negative, the other is positive, and the absolute value of the negative integer is greater than the absolute value of the positive integer. 10. (1) a is positive and b is negative, or (2) a and b are both positive and a is greater than b, or (3) a and b are both negative and the absolute value of b is greater than the absolute value of a.
23. 76
16. 46
9. 38
8. 13
12. 1
1. 469
21. 1
22. 29
11. 6
7. 3
5. 42
4. 18
Challenge Practice
17. 19
16. 28
20. 121
19. 65
6. 21
3. 6
1. 85 (4) (55) (27) 9 (22)
2. positive
6. 32
2. 17
Problem Solving Workshop
Practice B 5. 29
1. 3 11. 5
30. 5, 3, 1, 6; 7 yards
1. negative
Review for Mastery
18. 96
9. 22
10. 37
14. 65
15. 13
19. 54
20. 16
23. 71 28. 9
5. 9
24. 32
29. 7
b. positive
c. negative
c. yes, transactions 9 and 10
Pre-Algebra Chapter 1 Resource Book
25. 59
Practice A 1. 3
2. 4
3. 10
6. 15
7. 9
8. 2
12. 13 17. 18C
25. 1
4. 17 9. 11
13. 2
10. 14
14. 18
18. 23F 22. 32 m
26. 24F
5. 12 15. 17
19. 44F 23. 8 m
27. 6125 ft
28. 22F
Copyright © Holt McDougal. All rights reserved.
