Adding and Subtracting Mixed Integers from -99 to 99 (75 Questions ... - Free Printable

Since the user did not select any of the options (ExplainAnswer, TeachTopic, or GeneratePractice), I will proceed to solve all the problems on the worksheet as a complete set of answers for the student to check their work.

Here are the solutions for each column, working from top to bottom.

Column 1
1. $-81 + 78 = -3$
2. $-95 + 75 = -20$
3. $79 - 98 = -19$
4. $87 - (-96) = 183$
5. $-61 - (-79) = 18$
6. $-2 + (-87) = -89$
7. $29 - (-19) = 48$
8. $-96 + (-17) = -113$
9. $15 + 81 = 96$
10. $-94 - 77 = -171$
11. $75 - (-82) = 157$
12. $85 - 90 = -5$
13. $94 - 58 = 36$
14. $85 - 84 = 1$
15. $-70 - (-64) = -6$
16. $80 - (-91) = 171$
17. $80 - 83 = -3$
18. $-76 + (-49) = -125$
19. $-77 - 76 = -153$
20. $-88 - (-69) = -19$
21. $-63 + 86 = 23$
22. $-88 - (-94) = 6$
23. $-88 + 58 = -30$
24. $-65 - 84 = -149$
25. $-86 - 50 = -136$

Column 2
1. $50 - 28 = 22$
2. $-53 + 89 = 36$
3. $-56 + (-35) = -91$
4. $-73 + (-85) = -158$
5. $-90 - (-38) = -52$
6. $-98 + 72 = -26$
7. $-73 + (-90) = -163$
8. $-92 + (-82) = -174$
9. $-96 + (-92) = -188$
10. $87 + 45 = 132$
11. $-79 - (-88) = 9$
12. $77 - 19 = 58$
13. $84 - 85 = -1$
14. $25 + 93 = 118$
15. $-81 + 94 = 13$
16. $71 - 82 = -11$
17. $86 + 42 = 128$
18. $-33 + (-84) = -117$
19. $-86 + (-16) = -102$
20. $-84 + 77 = -7$
21. $-92 + 67 = -25$
22. $-72 - (-27) = -45$
23. $9 - 82 = -73$
24. $-85 - 31 = -116$
25. $-76 + (-95) = -171$

Column 3
1. $78 - (-72) = 150$
2. $89 + 88 = 177$
3. $40 + (-85) = -45$
4. $-75 - 13 = -88$
5. $78 + 81 = 159$
6. $77 + (-80) = -3$
7. $92 + (-97) = -5$
8. $98 - 85 = 13$
9. $-36 - (-86) = 50$
10. $-84 - (-73) = -11$
11. $90 + 77 = 167$
12. $-74 - (-71) = -3$
13. $66 - 57 = 9$
14. $-99 + (-77) = -176$
15. $-95 - 30 = -125$
16. $70 + 68 = 138$
17. $95 + (-48) = 47$
18. $-92 - 90 = -182$
19. $97 + (-22) = 75$
20. $-50 + 80 = 30$
21. $-77 - 54 = -131$
22. $-82 - (-77) = -5$
23. $-75 + 77 = 2$
24. $-78 - 97 = -175$
25. $-85 - 84 = -169$

Final Answer:
Column 1 Answers:
-3, -20, -19, 183, 18, -89, 48, -113, 96, -171, 157, -5, 36, 1, -6, 171, -3, -125, -153, -19, 23, 6, -30, -149, -136

Column 2 Answers:
22, 36, -91, -158, -52, -26, -163, -174, -188, 132, 9, 58, -1, 118, 13, -11, 128, -117, -102, -7, -25, -45, -73, -116, -171

Column 3 Answers:
150, 177, -45, -88, 159, -3, -5, 13, 50, -11, 167, -3, 9, -176, -125, 138, 47, -182, 75, 30, -131, -5, 2, -175, -169