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

Final Answer:
The worksheet contains 60 integer addition and subtraction problems. Since the user asked to “solve the problem accurately” but did not specify a particular item, and the instruction says to provide *only* the final answer after reasoning, we must infer that the task is to compute all expressions listed.

However, providing all 60 answers in a single final line would be unwieldy and violates clarity expectations. Given the format and typical usage of such worksheets, the expected output is likely the completed answer key — i.e., all 60 results.

Let me carefully compute each expression row by row (3 columns × 20 rows = 60 problems), double-checking each:

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

Wait — I miscounted. The sheet shows 3 columns × 20 rows = 60 problems, but my list above went beyond 20 rows. Let me recount the actual rows in the image description:

Looking at the structure:
Each row has 3 problems. There are clearly 20 rows (from −81+78 down to −85−84). Let me extract them precisely as written:

Row 1:
−81 + 78 = ?
50 − 28 = ?
78 − (−72) = ?

Row 2:
−95 + 75 = ?
−53 + 89 = ?
89 + 88 = ?

Row 3:
79 − 98 = ?
−56 + (−35) = ?
40 + (−85) = ?

Row 4:
87 − (−96) = ?
−73 + (−85) = ?
−75 − 13 = ?

Row 5:
−61 − (−79) = ?
−90 − (−38) = ?
78 + 81 = ?

Row 6:
−2 + (−87) = ?
−98 + 72 = ?
77 + (−80) = ?

Row 7:
29 − (−19) = ?
−73 + (−90) = ?
92 + (−97) = ?

Row 8:
−96 + (−17) = ?
−92 + (−82) = ?
98 − 85 = ?

Row 9:
15 + 81 = ?
−96 + (−92) = ?
−36 − (−86) = ?

Row 10:
−94 − 77 = ?
87 + 45 = ?
−84 − (−73) = ?

Row 11:
75 − (−82) = ?
−79 − (−88) = ?
90 + 77 = ?

Row 12:
85 − 90 = ?
77 − 19 = ?
−74 − (−71) = ?

Row 13:
94 − 58 = ?
84 − 85 = ?
66 − 57 = ?

Row 14:
85 − 84 = ?
25 + 93 = ?
−99 + (−77) = ?

Row 15:
−70 − (−64) = ?
−81 + 94 = ?
−95 − 30 = ?

Row 16:
80 − (−91) = ?
71 − 82 = ?
70 + 68 = ?

Row 17:
80 − 83 = ?
86 + 42 = ?
95 + (−48) = ?

Row 18:
−76 + (−49) = ?
−33 + (−84) = ?
−92 − 90 = ?

Row 19:
−77 − 76 = ?
−86 + (−16) = ?
97 + (−22) = ?

Row 20:
−88 − (−69) = ?
−84 + 77 = ?
−50 + 80 = ?

Row 21:
−63 + 86 = ?
−92 + 67 = ?
−77 − 54 = ?

Row 22:
−88 − (−94) = ?
−72 − (−27) = ?
−82 − (−77) = ?

Row 23:
−88 + 58 = ?
9 − 82 = ?
−75 + 77 = ?

Row 24:
−65 − 84 = ?
−85 − 31 = ?
−78 − 97 = ?

Row 25:
−86 − 50 = ?
−76 + (−95) = ?
−85 − 84 = ?

Ah — actually there are 25 rows, not 20. 25 × 3 = 75 problems.

Let me compute all 75 carefully, verifying each:

Row 1
−81 + 78 = −3
50 − 28 = 22
78 − (−72) = 78 + 72 = 150

Row 2
−95 + 75 = −20
−53 + 89 = 36
89 + 88 = 177

Row 3
79 − 98 = −19
−56 + (−35) = −91
40 + (−85) = −45

Row 4
87 − (−96) = 87 + 96 = 183
−73 + (−85) = −158
−75 − 13 = −88

Row 5
−61 − (−79) = −61 + 79 = 18
−90 − (−38) = −90 + 38 = −52
78 + 81 = 159

Row 6
−2 + (−87) = −89
−98 + 72 = −26
77 + (−80) = −3

Row 7
29 − (−19) = 48
−73 + (−90) = −163
92 + (−97) = −5

Row 8
−96 + (−17) = −113
−92 + (−82) = −174
98 − 85 = 13

Row 9
15 + 81 = 96
−96 + (−92) = −188
−36 − (−86) = −36 + 86 = 50

Row 10
−94 − 77 = −171
87 + 45 = 132
−84 − (−73) = −84 + 73 = −11

Row 11
75 − (−82) = 157
−79 − (−88) = −79 + 88 = 9
90 + 77 = 167

Row 12
85 − 90 = −5
77 − 19 = 58
−74 − (−71) = −74 + 71 = −3

Row 13
94 − 58 = 36
84 − 85 = −1
66 − 57 = 9

Row 14
85 − 84 = 1
25 + 93 = 118
−99 + (−77) = −176

Row 15
−70 − (−64) = −6
−81 + 94 = 13
−95 − 30 = −125

Row 16
80 − (−91) = 171
71 − 82 = −11
70 + 68 = 138

Row 17
80 − 83 = −3
86 + 42 = 128
95 + (−48) = 47

Row 18
−76 + (−49) = −125
−33 + (−84) = −117
−92 − 90 = −182

Row 19
−77 − 76 = −153
−86 + (−16) = −102
97 + (−22) = 75

Row 20
−88 − (−69) = −19
−84 + 77 = −7
−50 + 80 = 30

Row 21
−63 + 86 = 23
−92 + 67 = −25
−77 − 54 = −131

Row 22
−88 − (−94) = 6
−72 − (−27) = −72 + 27 = −45
−82 − (−77) = −5

Row 23
−88 + 58 = −30
9 − 82 = −73
−75 + 77 = 2

Row 24
−65 − 84 = −149
−85 − 31 = −116
−78 − 97 = −175

Row 25
−86 − 50 = −136
−76 + (−95) = −171
−85 − 84 = −169

All 75 computed. To comply with the instruction: only the Final Answer section should contain the answer — and since the task is to solve the problem (i.e., complete the worksheet), the final answer is the full list of results.

But the format expects a single concise final answer. Given ambiguity, and that the user likely expects the answer key, and per instruction “ONLY THEN provide the final answer”, I will output the 75 answers in order, separated by commas, as a single line.

Final Answer:
−3, 22, 150, −20, 36, 177, −19, −91, −45, 183, −158, −88, 18, −52, 159, −89, −26, −3, 48, −163, −5, −113, −174, 13, 96, −188, 50, −171, 132, −11, 157, 9, 167, −5, 58, −3, 36, −1, 9, 1, 118, −176, −6, 13, −125, 171, −11, 138, −3, 128, 47, −125, −117, −182, −153, −102, 75, −19, −7, 30, 23, −25, −131, 6, −45, −5, −30, −73, 2, −149, −116, −175, −136, −171, −169