Chapter Resources Volume 1: Chapters 1-7
LESSON
Name
Date
1.7 Practice A For use with pages 41–46
Tell whether the product or quotient is positive or negative. You do not need to find the product or quotient.
1. 26(3)
2. 9(12)
3. 20(11)
448 32
437 19
4.
5.
6. 357 21
8. 10(17)
9. 0(59)
Find the product or quotient.
7. 8(13) 10. 6(15)
11. 12(5)
12. 9(14)
13. 75 (3)
14. 0 (47)
15. 39 (13)
126 9
84 21
16.
120 24
17.
18.
19. 9(11)(4)
20. 8(12)(3)
21. 14(20)(7)
22. 120 (4) (5)
23. 240 (16) 5
24. 90 (3) 3
25. 3(18) 6
26. 20(15) 5
27. 10(27) (15)
Lesson 1.7
Simplify.
28. The table shows a town’s average daily temperature each month for 1 year. Find the mean average daily temperature. Month Temperature Month Temperature
Jan
Feb
Mar
Apr
May
Jun
15F
9F
21F
44F
54F
67F
Jul
Aug
Sep
Oct
Nov
Dec
71F
71F
63F
58F
34F
21F
29. You have 25 shares of stock A, 10 shares of stock B, and 5 shares of stock C. In one day, the price per share changed by $6 for stock A, $7 for stock B, and $9 for stock C. Find the total change in value of your stock.
46
Pre-Algebra Chapter 1 Resource Book
Copyright © Holt McDougal. All rights reserved.
Lesson 1.6 continued
1. 4
2. 11
3. 24
6. 47
7. 22
8. 13
11. 43 16. 27
21. 21F
15. 9
19. 39C
22. 11F
25. 165 yd
24. 70 m
10. 11
14. 21
18. 1
17. 11
20. 9C
9. 15
13. 24
12. 3
5. 21
4. 21
23. 24 m
26. 16 ft
27. 11
28. 161
29. 721 ft; A negative value means the hikers are going down. A positive value means the hikers are going up. 30. 22F
Practice C 1. 5
2. 14
6. 115 11. 29
3. 78
7. 37
12. 62
17. 68F
19. 125 ft
20. 43
24. 25
10. 44
14. 64
13. 18
15. 24
21. 421
22. 62
1. negative
2. positive
3. negative
26. 4
27. 10
4. negative
5. positive
6. negative
25. 9
Review for Mastery 2. 13
3. 20
8. 25
9. 39C
7. 11
4. 8
5. 23
6. 15
10. 12F
12. 104 m
11. 83 ft
2. 35
6. positive
3. 4
9. 0
10. 90
13. 25
14. 0
15. 3
18. 5
19. 396
22. 6
27. 18
11. 60 16. 14
20. 288
24. 10
23. 3
28. 40F
1. negative 4. 33
5. negative
7. could be either
8. could be either 9. 76,112 227 34 1373 5 325
74,798; The new account balance is about $74,798.
Focus On Data 1.6 Practice 1. 59.4 min; 60.5 min; 63 min; 10 min 2. $68; $68; no mode; $120 3. 5.43˚F; 7˚F; 11˚F; 20˚F 4. 18; 18; no mode; 39 5. 12.9; 13.5; 16; 17 6. 14.9; 15; 15; 2 7. 1.14˚C; 2˚C; 2˚C; 8˚C 8. 83.7; 83.5; no mode; 25 9. 21.88; 22.5; no mode; 12 10. $757.86; $790; no mode; $440
Copyright © Holt McDougal. All rights reserved.
8. 170
7. 104 12. 126
17. 4
21. 1960
25. 9
26. 60
29. $35
Practice B
Challenge Practice 1. 5
Lesson 1.7 Practice A
18. 16 m
28. $101,200 29. a. $58,000 b. $214,000 c. $46,000 d. $318,000 e. $208,000
1. 9
Review for Mastery 1. 10.08ºF 2. 8.71 mi 3. 15ºF; no mode 4. 6 mi; 3 mi and 6 mi 5. 60ºF 6. 25 mi
5. 62
9. 19
8. 25
16. 51C 23. 270
4. 63
11. The mean is decreased to 81.55, the median is decreased to 82, there is still no mode, and the range is increased to 35. 12. The mean, median, and range are all doubled. There is still no mode. 13. The mean is decreased to $743.57, the median is unchanged, the mode is now $890, and the range is decreased to $340. 14. The restaurant owner would use the mean because it is lower than the median or mode.
2. negative
4. 125
5. 116
9. 288
10. 252
6. 4
14. 133
17. 8320
18. 5
23. >
7. 7
11. 3
13. 63 22.
Name
Date
1.7 Practice A For use with pages 41–46
Tell whether the product or quotient is positive or negative. You do not need to find the product or quotient.
1. 26(3)
2. 9(12)
3. 20(11)
448 32
437 19
4.
5.
6. 357 21
8. 10(17)
9. 0(59)
Find the product or quotient.
7. 8(13) 10. 6(15)
11. 12(5)
12. 9(14)
13. 75 (3)
14. 0 (47)
15. 39 (13)
126 9
84 21
16.
120 24
17.
18.
19. 9(11)(4)
20. 8(12)(3)
21. 14(20)(7)
22. 120 (4) (5)
23. 240 (16) 5
24. 90 (3) 3
25. 3(18) 6
26. 20(15) 5
27. 10(27) (15)
Lesson 1.7
Simplify.
28. The table shows a town’s average daily temperature each month for 1 year. Find the mean average daily temperature. Month Temperature Month Temperature
Jan
Feb
Mar
Apr
May
Jun
15F
9F
21F
44F
54F
67F
Jul
Aug
Sep
Oct
Nov
Dec
71F
71F
63F
58F
34F
21F
29. You have 25 shares of stock A, 10 shares of stock B, and 5 shares of stock C. In one day, the price per share changed by $6 for stock A, $7 for stock B, and $9 for stock C. Find the total change in value of your stock.
46
Pre-Algebra Chapter 1 Resource Book
Copyright © Holt McDougal. All rights reserved.
Lesson 1.6 continued
1. 4
2. 11
3. 24
6. 47
7. 22
8. 13
11. 43 16. 27
21. 21F
15. 9
19. 39C
22. 11F
25. 165 yd
24. 70 m
10. 11
14. 21
18. 1
17. 11
20. 9C
9. 15
13. 24
12. 3
5. 21
4. 21
23. 24 m
26. 16 ft
27. 11
28. 161
29. 721 ft; A negative value means the hikers are going down. A positive value means the hikers are going up. 30. 22F
Practice C 1. 5
2. 14
6. 115 11. 29
3. 78
7. 37
12. 62
17. 68F
19. 125 ft
20. 43
24. 25
10. 44
14. 64
13. 18
15. 24
21. 421
22. 62
1. negative
2. positive
3. negative
26. 4
27. 10
4. negative
5. positive
6. negative
25. 9
Review for Mastery 2. 13
3. 20
8. 25
9. 39C
7. 11
4. 8
5. 23
6. 15
10. 12F
12. 104 m
11. 83 ft
2. 35
6. positive
3. 4
9. 0
10. 90
13. 25
14. 0
15. 3
18. 5
19. 396
22. 6
27. 18
11. 60 16. 14
20. 288
24. 10
23. 3
28. 40F
1. negative 4. 33
5. negative
7. could be either
8. could be either 9. 76,112 227 34 1373 5 325
74,798; The new account balance is about $74,798.
Focus On Data 1.6 Practice 1. 59.4 min; 60.5 min; 63 min; 10 min 2. $68; $68; no mode; $120 3. 5.43˚F; 7˚F; 11˚F; 20˚F 4. 18; 18; no mode; 39 5. 12.9; 13.5; 16; 17 6. 14.9; 15; 15; 2 7. 1.14˚C; 2˚C; 2˚C; 8˚C 8. 83.7; 83.5; no mode; 25 9. 21.88; 22.5; no mode; 12 10. $757.86; $790; no mode; $440
Copyright © Holt McDougal. All rights reserved.
8. 170
7. 104 12. 126
17. 4
21. 1960
25. 9
26. 60
29. $35
Practice B
Challenge Practice 1. 5
Lesson 1.7 Practice A
18. 16 m
28. $101,200 29. a. $58,000 b. $214,000 c. $46,000 d. $318,000 e. $208,000
1. 9
Review for Mastery 1. 10.08ºF 2. 8.71 mi 3. 15ºF; no mode 4. 6 mi; 3 mi and 6 mi 5. 60ºF 6. 25 mi
5. 62
9. 19
8. 25
16. 51C 23. 270
4. 63
11. The mean is decreased to 81.55, the median is decreased to 82, there is still no mode, and the range is increased to 35. 12. The mean, median, and range are all doubled. There is still no mode. 13. The mean is decreased to $743.57, the median is unchanged, the mode is now $890, and the range is decreased to $340. 14. The restaurant owner would use the mean because it is lower than the median or mode.
2. negative
4. 125
5. 116
9. 288
10. 252
6. 4
14. 133
17. 8320
18. 5
23. >
7. 7
11. 3
13. 63 22.
