Math worksheet for subtracting integers, featuring 30 problems to calculate differences between positive and negative numbers.

Here are the solutions for each subtraction problem on the worksheet. I have calculated them column by column, from top to bottom.

First Column:
1. $10 - (-14) = 24$
2. $-12 - 7 = -19$
3. $3 - 10 = -7$
4. $1 - (-11) = 12$
5. $-9 - 2 = -11$
6. $11 - 12 = -1$
7. $12 - 14 = -2$
8. $8 - 15 = -7$
9. $3 - 12 = -9$
10. $-8 - 12 = -20$
11. $-14 - (-1) = -13$
12. $-9 - (-7) = -2$
13. $2 - (-11) = 13$
14. $-15 - 9 = -24$
15. $4 - (-12) = 16$
16. $15 - 5 = 10$
17. $3 - (-9) = 12$
18. $4 - (-15) = 19$
19. $13 - (-8) = 21$
20. $11 - 11 = 0$
21. $-9 - (-1) = -8$
22. $-7 - (-11) = 4$
23. $5 - 9 = -4$
24. $1 - 14 = -13$
25. $1 - (-9) = 10$

Second Column:
1. $-13 - 3 = -16$
2. $-9 - (-3) = -6$
3. $14 - 13 = 1$
4. $14 - 15 = -1$
5. $-12 - (-3) = -9$
6. $-10 - 12 = -22$
7. $15 - (-2) = 17$
8. $-5 - (-12) = 7$
9. $10 - (-8) = 18$
10. $12 - 1 = 11$
11. $-15 - 4 = -19$
12. $9 - (-9) = 18$
13. $-10 - (-4) = -6$
14. $8 - (-11) = 19$
15. $13 - (-2) = 15$
16. $4 - 1 = 3$
17. $-1 - 10 = -11$
18. $-11 - (-8) = -3$
19. $-15 - (-15) = 0$
20. $8 - 9 = -1$
21. $15 - (-13) = 28$
22. $4 - 11 = -7$
23. $5 - 8 = -3$
24. $-10 - 10 = -20$
25. $-14 - 10 = -24$

Third Column:
1. $14 - 7 = 7$
2. $-9 - 11 = -20$
3. $13 - 13 = 0$
4. $1 - (-5) = 6$
5. $-11 - (-5) = -6$
6. $-10 - 3 = -13$
7. $6 - (-13) = 19$
8. $-11 - 14 = -25$
9. $-2 - 14 = -16$
10. $12 - 13 = -1$
11. $-10 - 7 = -17$
12. $-15 - (-3) = -12$
13. $-14 - (-14) = 0$
14. $-7 - 7 = -14$
15. $-2 - 12 = -14$
16. $7 - (-10) = 17$
17. $3 - (-13) = 16$
18. $8 - (-2) = 10$
19. $10 - 1 = 9$
20. $12 - 10 = 2$
21. $-3 - (-11) = 8$
22. $-2 - 9 = -11$
23. $10 - (-2) = 12$
24. $-6 - (-5) = -1$
25. $-11 - (-9) = -2$