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Name _______________________________________ Date __________________ Class __________________
7th Integers and Rational Numbers
Ch.2-2 Practice C: Adding Integers
Use a number line to find each sum.
1. 7  10
2. 2  (6)
_______________________________________
________________________________________
Find each sum.
3. 45  9
4. 37  (60)
_______________
7. 56  (37)
_______________
8. 79  (15)
_______________
_______________
5. 11  40
6. 95  (25)
_______________
________________
9. (63)  49
10. 49  (47)
_______________
________________
Evaluate each expression for a  15, b  8, and c  6.
11. 14  b ____
12. c  (8) ____
13. a  b ____
14. c  5  a ____
Evaluate e  f for the given values.
15. e  90, f  52
_______________________
16. e  57, f  23
________________________
17. e  61, f 32
________________________
Compare. Write , , or .
18. 25  (25) ____ 0
19. 32  (19) ____ 51
20. 24  (42) ____ 66
21. The temperature dropped 10 °F in 5 hours. If the starting
temperature was 9 °F, what was the final temperature?
________________________________________________________________________________________
22. The closing price of a stock gained 2 points on Monday, lost
5 points on Tuesday, lost 1 point on Wednesday, gained 4
points on Thursday, and lost 6 points on Friday. What was the
net gain or loss for the week?
________________________________________________________________________________________
Holt McDougal Mathematics
Name _______________________________________ Date __________________ Class __________________
13. 22
14. 2
7. 19
15. 15
16. 24
9. 18
17. 13
18. 30
19. 0
20. 18
21. 4 °F
22. 9 points
1.

12. 
13. 
14. 
15. 
16. 

18. 
Answers will vary.
Possible answer: chalk
Possible answer: bench
Answers will vary.
Problem Solving
3
1. 5 °F
3. $35
2.
3.
5.
7.
9.
11.
13.
15.
17.
19.
21.
22.
8
36
4. 23
29
6. 70
19
8. 94
14
10. 96
6
12. 2
23
14. 4
38
16. 80
29
18. 

20. 
1 °F
6 points or a loss of 6 points
Review for Mastery
1. subtract
3. add
2. negative
4. negative
5. 13
6. 4
7. 5
8. 1
9. 4
10. 
11. 
17.
19.
20.
21.
22.
Practice C
8. 5
10. 2
11. 5
Challenge
1. 13
2. 22
3. 22
4. 27
5. 2
6. 16
5. 97 ft
7. B
9. C
2. 22 °F
4. 535 ft
6. 17,500 ft
8. H
10. J
Reading Strategies
1. 0
3. to the left; 4
5. to the left; 5
2. to the right; 6
4. 0
6. to the left; 3
Puzzles, Twisters & Teasers
R: 9
S: 7
L: 19
H: 88
O: 6
E: 18
C: 39
W: 25
D: 13
A: 17
T: 16
N: 1
S H E W A N T E D
C O L D H A R D C A S H
Holt McDougal Mathematics